Madeline is married to Ernest, who was once her arch-rival Helen's fiancé. After recovering from a mental breakdown, Helen vows to kill Madeline and steal back Ernest. Unfortunately for everyone, the introduction of a magic potion causes things to be a great deal more complicated than a mere murder plot.

A kid, his new friend who's a girl, his grandmother and their old neighbor who used to work as a driver for a gangster, search for the treasure supposedly hidden nearby by the gangster long time ago, to help the neighbor keep his house.

The ongoing war between the canine and feline species is put on hold when they join forces to thwart a rogue cat spy with her own sinister plans for conquest.