The main events unfold around a pet named Max. As soon as its owners cross the threshold, going on business, four-legged friends gather in the apartment. Max's quiet workdays come to an end when another pet appears at home. Competing with him for the attention of the owner, the terrier wanted to drive away the competitor. But in the end, the fluffy relatives found themselves on the city streets together and fell into the company of homeless animals. Having met their leader Snowball, they accidentally learned about his insidious plan for revenge. Having become angry with the people who put the poor people on the street, the abandoned animals intend to cruelly teach their irresponsible owners a lesson.