S3.E1 ∙ Welcome Wagon

A century-old vampire was nearly assassinated but saved by a blind girl. As their lives intertwined, they found companionship amidst danger and chaos, but could their bond transcend their vastly different worlds?

The Tokyo Metropolitan Police Department's First Personnel Division is an elite group responsible for inspection work to uncover misconduct among the more than 40,000 personnel who work for the police force. It is said that just being the subject of an inspection can end a police officer's career. Feared as police of the police, inspectors like Sara Masaki have a lonely role. Two years on, Sara comes face to face with a conspiracy that will rock the entire police organization.

At the end of the year, a poison gas terror attack takes place at a terminal station in Tokyo. 666 people die or are injured in the attack.The terror attack's number of victims is related to the "number of the beast" and the case is given the name "The Beast." The person who carried out the attack is a 25-year-old popular actress, Kotone Kido, who died at the terminal station. Kotone Kido had a childhood friend named Hajime Kanzaki (Hiromitsu Kitayama). They were not blood-related, but they were very close like a brother and sister. Now, Hajime Kanzaki is 33-years-old and works as an undertaker. He wants to find out why his childhood friend committed the mass murder, who made her do that, and was there a chance she could have been stopped. While he investigates, he is killed by someone. At that time, he travels back in time and meets Kotone Kido again.

Follows Kanade Nishimura as she confronts the suspicious death case from her law school days and her father's death.

In 2017, Detective Jin Saeki (Ryo Narita) works as a detective and he holds a strong sense of justice. He rushes over to a house after receiving a call. There, he discovers the skeletons of 13 boys and guys who died of starvation and a mysterious mark. The suspect of the case is the homeowner Juzo Haikawa (Fumiyo Kohinata), but his whereabouts are unknown. Around this time, Kanon Hasumi (Ai Yoshikawa) appears. She was abandoned by her own parents and was taken in by Juzo Haikawa. She lived with him until 6 years ago. Kanon Hasumi admires Juzo Haikawa like he was her father and she insists that he is innocent. Detective Jin Saeki and Kanon Hasumi chase after the truth of the case. In 2024, in a hideout for young runaways, a girl suddenly disappears. The mysterious mark also reappears.

An unconventional detective duo, He Yuan Hang and Ran Fang Xu, investigate the 1997 disappearance of a father and daughter at Yuanlongli's elevator entrance. Utilizing a jeep and makeshift excavator, their inquiry unravels profound truths.