One day, Hyun-joon, a policeman who lives with his mother and his daughter, attains a superpower after getting struck by the lightning. After the incident, Hyun-joon realizes that there are others who have been going through the same situation with him, and gets involved with unexpected situations. Will he be able to succeed both, as a father who struggles with the relationship with his daughter, and as a cop with a superpower who is eager to catch an evil criminal?