Xu Qin receives a phone call alerting her about a fire nearby. She goes to help the wounded. Song Yan's team is sent to the site to extinguish the fire.
Xu Qin learned that Song Yan was on vacation. So she came to her aunt's house again, hoping to reconcile with him. Song Yan refused. In the fire station, Song Yan complained to Suo Jun about the poor performance of the recruits.
The driver that survived the accident was HIV-positive. Not only were the doctors and nurses involved in the rescue at risk of infection, but the firefighters involved in the rescue that day were more likely to be recruited.
Xu Qin was awakened by knocking on the door. It turned out a child's head was stuck in the anti-theft fence of the balcony upstairs. Song Yan led the firefighters to launch a rescue from the balcony of Xu Qin's house.
Xu Qin asked Song Yan to invite her to dinner, and Song Yan reluctantly agreed. The two prepared for the date and came to a fried chicken shop they used to visit in high school. Time brings the two back to ten years ago.
Fu Wen Ying learns that Xu Qing doesn't go on a date because of her busy work, and tells her to change her job. Xu Qin confesses that she has someone she likes. Fu Wen Ying warns Xu Qin not to force herself to be a villain again.
Due to her mother's strict discipline, Xu Qin hasn't dared to disobey her mother since she was a child. Although she is independent now, she is still stressed and afraid of facing her mother. She asks Song Yan to come out.
Xu Qin speaks her mind to Meng Yan Chen. She thinks she has been like a tame beast since she was a kid, so she doesn't dare to resist her mother and doesn't know what love is.
In order to speed up the replacement of old teammates and new blood, Jiang Yu proposes an idea to Song Yan. Jiang Yu just wishes to avoid more meaningless sacrifices between the firefighters.
Meng Yan Chen finds Xu Qin in the hospital, and he meets Song Yan by chance. He warns Song Yan to keep his distance from Xu Qin. Song Yan understands what he means and tells him not to interfere with Xu Qin's life since he is not her biological brother.
Since Xu Qin is reluctant to go on the blind date arranged by her mother, she arranges for the parents of both parties to meet. Xu Qin tells Jiang Yu that she has a crush on a man. He promises to help her.
A few college backpackers are stuck in a mountain and needed rescuing. Even the local civilian rescue team goes missing after looking for them. Without knowing the exact location, the firefighters face a tough rescue with the weather conditions and terrain.
Shilitai Fire and Rescue Station proposes a joint rescue effort with the city's First People's Hospital. Xu Qin volunteers to join the training. At the fire station, both firefighters and medical staff learn from one another to improve the efficiency and efficacy of rescue operations.
After a bus flips over, a passenger rescues many people before the firefighters arrive, but he is thrown out of the bus when it falls off a cliff and is seriously injured. He is called a hero by everyone, but he has an unknown side to him.
Jiang Yu and Li Meng went to a fire scene for a second inspection but found some problems. The person in charge of the warehouse called a group of hooligans to beat them up, but the firefighters couldn't fight or talk back.
Wu Xuan Yang calls 119 to rescue him and his alpaca, but Dr. Xu discovers he has a serious condition called aortic dissection. His family doubts Dr. Xu's diagnosis but ends up being thankful to her for saving him.
Xu Qin's mom discovers that Qin staying at the station. She goes to Yan to tell him to stop seeing Qin. Qin tries to rekindle with Song Yan, who shuts her down. Later, they get into an argument about the mission of public servants.
With the medical staff gone from the fire station, Song Yan misses Xu Qin even though he refuses to admit it. However, a fire drill at the hospital reunites them again. Meanwhile, Dr. Xu contemplates her profession.
Teams are organized to help with the disaster rescue of earthquake victims in Wangxiang. The place is in bad shape, with many collapsed houses and structures and missing people. That includes Jiang Yi's mom.
Meng Yan Chen's mom wants her son and husband to inform people about the help they've been giving to disaster relief. Meanwhile, Song Yan and Xu Qin are exhausted from the disaster rescue.
Despite knowing Song Yan's life is in danger, Xu Qin chooses not to stay by his side and continues fulfilling her duty as a doctor. The firefighters continue doing their mission in earthquake relief.
After the successful disaster relief operation, Song Yan and Xu Qin go back to their lives. However, they can't continue setting aside their feelings for each other anymore.
Some firefighters struggle to get over their traumatic experience after providing the disaster relief at Wangxiang and are forced to overcome their anxiety by Yang Chi.
Meng Yan Chen discovers that Song Yan and Xu Qin are back together and tries to discourage Song Yan from being with her. He feels he's been abandoned since Xu Qin went to find her happiness.
Xu Qin confesses to her parents that she is dating Song Yan who highly disapprove of their relationship. As a result, she moves out from home into Song Yan's. His aunt and uncle welcome her happily.
Xu Qin is welcomed warmly in the home of Song Yan's uncle and aunt. Xu Qin wants Meng Yan Chen to speak to their mom for her, but he refuses. Meanwhile, things seem to be progressing between Meng Yan Chen and Ye Zi.
Yan Chen tries to persuade his mom to let Xu Qin live her life, but she doesn't back down. She invites Xu Qin to shop with her as a pretense to introduce her to another guy. Later, a mother and son threaten to jump off the hospital.
There's a cyanide leak at an electroplating plant. Firefighters are dispatched to save the three workers who have been poisoned and resolve the issue. However, Song Yan also gets poisoned during the process.
Song Yan tells Xu Qin his future plans for them. Everyone is busy preparing and celebrating New Year, but the firefighters are still on duty to protect people. Xu Qin also goes home to visit her family for New Year.
Xu Qin is having a difficult time because her mom is interfering with her work at the hospital. Meanwhile, Song Yan is preparing for his transfer. However, a huge fire breaks out with a flash over that endangers the firefighters' lives.
A life is lost in the fire at Junguang Square, owned by Guokun Group. Song Yan has to decide whether to report the truth of the fire. However, that decision will sow more discord between him and Xu Qin's family.
Song Yan is being suspended from work due to accusations of bribery. A new development in Shilitai Station also makes Song Yan's decision to transfer waver. And Xu Qin starts asking for explanations of things that happened in the past.
A patient at the hospital gets worked up and injures Xu Qin's wrist. Despite being in an argument over his past, Song Yan still does not want to tell Xu Qin how he got his gunshot wound.
Xu Qin finds out what her family did to Song Yan and confronts her parents. Meanwhile, Meng Yan Chen frankly tells Ye Zi his thoughts about her and makes her angry. So she comes up with a plan to take revenge on him.
Zhai Miao holds the evidence to prove Yan Chen's innocence. The choice is in her hands whether to give it up and help the Meng family that ruined Song Yan's life, or do the same and destroy the Meng family.
Song Yan and Xu Qin are busy working with little time to prepare for their wedding. Meanwhile, a super typhoon makes landfall in Yancheng and causes many people to be trapped or injured.
A typhoon causes disasters in the city. Floods and fallen trees slow down Xu Qin and Song Yan from rescuing civilians. At this moment, Mrs. Meng is trapped in her car under a collapsing tunnel. Will rescuers get to her in time?
