the Secret Life of Pets is a 2016 animated film produced by Illumination Entertainment, directed by Chris Renaud and co-directed by Yarrow Cheney.
A Jack Russell Terrier, named Max, lives with Katie his owner in a Manhattan apartment. During the day, while Katie is at work, Max meets the other pets that live in the building: Chloe a tabby cat, Mel a pug, Buddy a dachshund and Sweetpea a budgerigar.
One day Katie adopts Duke, a big hairy dog from the pound. Obviously this triggers jealousy in Max, which feels sidelined by his beloved owner. Duke, infuriated by the attitude that Max has against him, trying to leave him in an alley, but both are attacked by a gang of alley cats led by a Sphynx cat (naked cat) named Ozone.
The two dogs are saved by a white rabbit named Snowball, the leader of a gang of street animals, "The Flushed Pets", who hates humans because their owners have abandoned them and mistreated.
Max and Duke, in order to be accepted in the band, pretend to despise humans, but Snowball is learned by the cats that the two dogs are domesticated.
Duke and Max escape but in flight inadvertently kill the viper. Snowball vows to kill them.
From now for the two dogs begin an adventure that will involve many of their friends, and that at the end will lead the two rivals to forge a strong friendship.