When George starts a prank war with a neighborhood rival, Mayan is torn between loyalty to "the Lopez way" and her desire to preserve a new friendship; Chance discovers the thrill of forbidden love.
When Chance gets into a fight at school, George and Rosie blame Mayan and Quinten's loosey-goosey parenting. Rosie tries therapy and is surprised to learn the source of her problems isn't George.
Mayan and Rosie want George to get in touch with his feelings, but they worry he may have ended up joining a cult instead. Rosie asks Oscar's help to scare away applicants from renting the empty house behind hers.
To get her divorced parents to spend Nochebuena together, Mayan must convince Rosie to hand in her Christmas crown and George to give up the thing he loves most: beer.
When a visiting veterinarian takes an interest in Mayan, she worries that she might be destined to repeat the Lopez legacy of cheating, dating all the way back to her Aztec ancestor Tonto Tecate-Can.
While playing golf, George has strong suspicions that Josué is cheating on Rosie and tries to get proof; Chance keeps asking his parents why they're not married yet.
When Mayan's ex-godfather, Don, returns to town, she's afraid he'll drag George back into a life of drinking, gambling and womanizing. Chance learns the meaning of 'Godfather' - from Oscar.