Following a brutal murder case, the police are baffled to find out that the assailant, whose body was found on the scene with the victim, had already been dead for three months. Meanwhile, journalist Jin-hee sets up a live interview with an anonymous caller claiming he is the true killer behind the mysterious murder. When the man announces three more murders will occur in the hands of the undead, Jin-hee must face the sinister forces beyond understanding.

Joon-il, who was once a national team-level prospect, now just a coach at a local soccer class. He is on the verge of being fired for his old-fashioned mind and lazy coaching, and is about to get divorced. Joon-il is given a mission he can't refuse in exchange for a full-time job. It was the final round of the amateur futsal tournament of the "Cheolsoo Soccer Team." In a very short period of time, Joon-il had to transform President Kim, Mr. Choi, and Mr. Park who had no previous knowledge of the sport... Oh my futsal! With the dreams and livelihoods of grown-ups on the stake, "Sunday League" begins!

Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.