The House of Flowers: The Movie, Delia preparing for a risky surgery, entrusts Paulina with a secret. In their parents' room, there is a hidden place where a family treasure and evidence against Agustín Corcuera, recently acquitted for Pato's murder, can be found. Paulina convinces her siblings to deceive them and bypass the security measures in their old house to seize the treasure. In the 1980s, Virginia and Ernesto are trying to make Agustín confess his crime. The possibility of avenging her family, along with the love she feels for the nanny, leads Paulina to break all the rules to accomplish this seemingly impossible mission.