A man with a briefcase who comes to take his blood pressure at the pharmacy gets stuck in the machine and cannot withdraw his arm. With the commotion, when he finally frees himself, leaves and forgets his briefcase with 20 million pesetas.
Christmas Eve arrives, and everyone is getting ready to celebrate it. The director of the neighborhood bank needs to hire a delivery person for the Christmas baskets because the person in charge of it has broken a leg at the pharmacy.
Quique and Guille have been arguing a lot lately over the use of a skateboard their father gave them. It seems like the most important issue until Doña Paquita shows up at the pharmacy asking for help with her cat, which is not moving.
Adolfo is concerned about the robberies occurring in the neighborhood businesses and proposes a plan to Lourdes, his ex-wife, to make her and her assistant Pili feel safer during their night shifts.