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 fierce one-on-one duel with Boiled. Meanwhile, ORDER members are tasked with handling a serial case targeting assassins.

While manning the store alone, Lu gets kidnapped by a mysterious group. Sakamoto and Shin pursue her but are halted by an invisible assassin.