Satoru is a young man with a warm heart. He has a cat named Nana, but, due to circumstances, he can’t raise cat Nana anymore. He travels with Nana to find a person who will take care of Nana. During his travels, he meets various people like his childhood friend and his first love. His unknown past and secret are revealed.

A con man who had been reported dead after committing a historical fraud case is rumored to be alive. Prosecutor Park who was in collusion with the con man needs to eliminate him to avoid a corruption scandal. During his pursuit of the con man, he meets Ji-sung who is also after the same man for a personal revenge. Realizing their mutual goals, they decide to team up, but with hidden motives.