La Coupe d’invulnérabilité

Henry Delachasse makes a dogs show to lure in werewolves with a silver prize cup. Two werewolves specifically, Luksos and Kerberos, are trying to get the prize cup, as it makes a werewolf drinking from it invincible against silver. Once they get rid of a werewolf's one weakness, the two intend to rule the werewolf pack.

Deux redoutables loups-garous débarquent sur Terre en quête d'une coupe d'invulnérabilité. Henri de Lachasse organise un concours canin dont la fameuse coupe sera le premier prix. Tara, Cal et Moineau infiltrent le concours en y inscrivant Manitou...