After people in his town start turning up dead, a grumpy landlord is visited by a man who recounts an unsolved serial murder case from 30 years ago that may hold the clue to what is happening now.

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!

A pastor who believes in divine revelation and a detective haunted by visions pursue a missing person case — exposing their own demons in the process.

One day while overseeing a documentary crew filming his blind father at work, Im Dong-hwan gets a phone call that his missing mother’s remains have been found after forty years. Determined to find the truth of her disappearance, Dong-hwan embarks on a twisted odyssey through his family’s traumatic past, uncovering dark secrets along the way.

The secret society of contract killers falls into chaos, unleashing a new breed of assassins. With old rules in ruins, who dares claim the shadows?