Martina and Sofía love each other and want to start a family, but the process is proving to be difficult and expensive… very expensive. Martina naively makes a reckless decision: she devises a crazy plan to get pregnant and she succeeds. Now he has two serious problems to solve: first, that Sofía never agreed with the plan and she is very furious, and second, that the "plan", whose name is Facundo, wants to enter their lives since he has just discovered his unexpected paternity..