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.
A demonstration by environmentalists causes a traffic jam, leading a taxi driver, who was taking a pregnant woman to the hospital to give birth, to bring her to the pharmacy instead. The situation will result in chaos while Lourdes is away
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.
Carlos Granmadruga, candidate in the upcoming elections, appears at the pharmacy campaigning. However, they realize that his pants zipper is broken, and they will have to find a solution for him before he goes back to the street.
It's Mother's Day, and Lourdes is receiving gifts from everyone. As she is on duty at the pharmacy, she is there conducting a pregnancy test, which turns out to be positive, while she is experiencing vomiting and severe stomach discomfort.
The police inform Lourdes that there is a thief loose in the neighborhood. Since Lourdes has to accompany Guille to the theater, Pili asks her new boyfriend, Chencho, to come to the pharmacy to be with her in case they come to rob.