Lola enrolls Pat on a dog firefighter training program. But Victor is convinced that Tank is made for the job. An impromptu contest is held composed of a series of practical exercises, at the end of which Lola and Pat win their fightfighting diploma. Victor is furious with his dog for failing the challenge and Tank has to take refuge. But when the shed in which he is hiding goes up in flames, firefighter Pat is called into action to save his sworn enemy!