Specialized in excessive suppression, police officer Shin Hae-soo gains the ability to go back 60 minutes in time. On the day his father passed away, he instinctively knew. This was a murder disguised as a suicide. Determined to catch his father's killer, Hae-soo becomes a detective. Then, one day, following a mysterious accident, he suddenly gains a supernatural ability! As he solves criminal cases and tracks down the organization, a massive shadow begins to emerge bit by bit!