Continuing the story of Max and his pet friends, following their secret lives after their owners leave them for work or school each day.

The quiet life of a terrier named Max is upended when his owner takes in Duke, a stray whom Max instantly dislikes.

Five married guys conspire to secretly share a penthouse loft in the city–a place where they can carry out hidden affairs and indulge in their deepest fantasies. But the fantasy becomes a nightmare when they discover the dead body of an unknown woman in the loft, and they realize one of the group must be involved.