7 siblings, all of whom are orphans and not blood-related, love each other more than real siblings. They go through many hardships together. Challenges then wait in the seafood industry.

Seven orphaned brothers and sisters who have closer ties than blood family are compared to a blood-tied family that is being broken by its own greed to think about the true meaning of family and happiness. The story mainly revolves around Jang Ha Bin/Kim Baek Won, a girl who grows up to be a police woman and Do Young, a boy who grows up to be a prosecutor. He falls in love with her again after she broke his heart in the past.