Thirteen comes back to kill Seven as her master ordered. She reveals Xuanwu's nefarious plan to invade Chicken Island.

A strange musician dog comes to Chicken Island and defies Mad Bark. He uses a mysterious music to pierce his opponent's heart. But why is he set on killing Mad Bark?

Cola is hanging out with Seven but loses sight of him after she races him from the top of a hill. She finds the Prince of Stan, who was looking for the machine he left on the island at the end of season 1, and convinces him to let her visit Stan.