Sakamoto enjoys a quiet life in retirement with his family; but one day, an old colleague demands he return to the assassin world or face consequences.

While out on an errand, Sakamoto and Shin encounter Lu Shaotang, the daughter of a mafia boss, who's on the run and targeted by twin assassins.

After learning of the huge bounty on Sakamoto's head, the crew tries to enjoy a family outing at the amusement park while fending off assassins.

With the poison-wielding hitman taken out, the Sakamotos head to their next attraction, where they're ambushed by Dondenkai Ltd's ultimate assassin duo.

Sakamoto goes all out in a one-on-one duel with Boiled; ORDER members are tasked with handling a serial case targeting assassins.

Team Sakamoto joins a shopping district survival tournament, aiming for the million-yen prize; they partner with an inexperienced sniper for the competition.