It was love at first yap, and in the continuing adventures of Beverly Hills' most charming chihuahua, Chloe and Papi exchange wedding bow-wows, then plunge paws first into parenthood as their five pups turn their home into a canine fun house. Sam (Marcus Coloma) is called in to dog-sit when Aunt Viv (Susan Blakely) goes away on vacation, and when Sam learns that he's about to lose his own home, his four-legged friends come to the rescue.