Maria tries on her mother's wedding ring while helping make tamales for a Christmas family get together, but panic ensues when hours later, she realizes the ring is missing.
To get the "ratoncitos," little mice who have moved into the barrio, to come to come to his house, Chato the cat prepares all kinds of good food: fajitas, frijoles, salsa, enchiladas, and more.
Chato decides to throw a "pachanga" for his friend Novio Boy, who has never had a birthday party, but when it is time to party, Novio Boy cannot be found.