Kim Seok Hyeon becomes Korea’s youngest appointed criminal court judge at the age of 36. He's famous for his rational rulings. Seok Hyeon also has a beautiful wife and a daughter.
His near perfect life crumbles when his wife is brutally murdered. A man named Jang Su Yeong, who had a vendetta against Seok Hyeon for a prior ruling, quickly becomes the primary suspect and the case is close.
A reporter then read moreapproaches the grieving Seok Hyeon and points out the amazing similarities between Seok Hyeon's life and a judge from 30 years ago named Han Sang Jun. The judge from 30 years ago was also appointed the youngest criminal court judge, graduated as valedictorian from the same high school, and also lost his wife and daughter in a brutal murder. These events seemed to have occurred in exact 30-year intervals.
Now if this "Parallel Life Theory" holds to form, Jang Su Yeong will escape from prison in 16 days and murder his daughter...