When hijackers seize a Japanese flight and demand to fly to Pyongyang, a mysterious mastermind hatches a zany scheme to reroute the plane to Seoul.

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.

Jae-wan, a successful lawyer, takes on the case of a rich executive’s son, who has purposely run over and killed a man and left his daughter seriously injured. It’s Jae-wan’s…