Destiny finds a knock-out strategy to win her dream man - John Terry's dog. Recruited by a secret society of bloodthirsty foxes, it's time for Nelson to kill or be killed. Marion is entranced by a peculiarly knowledgeable goldfish.

Vince bumps into his old mate Danny Dyer. Kali struggles to win back her perch from a bolshy immigrant. Nelson falls for a feisty older vixen and runs into trouble with a disapproving relative. When Marion adopts Destiny's owner Gary, Destiny has to compete to regain his affection.