Mantis, an ace assassin, returns to the contract killer industry after a hiatus, encountering his trainee friend Jae-yi and a retired legendary killer Dok-go, who now runs the organization.

Hundreds of cash-strapped players accept a strange invitation to compete in children’s games. Inside, a tempting prize awaits — with deadly high stakes.

Cha Hyun-Soo is a high school student. He is also a recluse and rarely leaves his room. He refuses to talk to his father, mother and younger sister. One day,…