Max the dog loves his owner Katie.

One day, Katie brings home a new pet named Duke.

Max and Duke don't get along at first.

They get lost in the city and must work together to find their way home.

Meanwhile, their pet friends are on a mission to rescue them.

Gidget, a fluffy white dog, leads the group.

Chloe the cat is sneaky and smart.

Snowball the bunny is brave and strong.

Together, they save Max and Duke from danger.

Max and Duke realize they can be best friends.