When Papi, Chloe, the pups, Uncle Pedro and their owners move to a hotel, the smallest pup Rosa feels like she doesn't fit in, and Papi wants to make her feel better by showing her how special she is.
Papi and Chloe, joined by their five playful pups and their owners Rachel and Sam move into the posh Langham Hotel, complete with a luxurious doggy spa. But there's trouble when Rosa, the littlest member of the pack, feels smaller and less special than ever. Now it's up to Papi to help Rosa find and celebrate her inner strength, which turns out to be bigger than she ever dreamed...—Happy_Evil_Dude
After the events of Beverly Hills Chihuahua 2, Papi, Chloe, the pups and their humans, Sam and Rachel, move into the luxurious Langham Huntington Hotel, but there's trouble in paradise when Papi's daughter Rosa feels left out from the rest of the family, so he decides to throw her a Quinceañera to help make her feel more special than she ever dreamed. But when strange occurrences involving a hotel employee and a doggy day care teacher begin to get a little suspicious, Papi sets out to solve a mystery and put bad guys behind bars.