During the grand dance festival on Mirror Ball Island in the East Blue, the outlaw hypnotist Jango finds himself in a tight spot when a Marine captain corners him. In a daring move, Jango hypnotizes the entire island to dance endlessly. This unexpected turn of events entangles the notorious pirate Monkey D. Luffy and his Straw Hat Crew, forcing them into a night of non-stop dancing alongside the mesmerized islanders.