In a small and quiet town, the lives of two young friends, Valeria and Tomás, take an unexpected turn when they uncover an ancient family secret that has been buried in the past. Valeria is a curious and dreamy girl, always in search of adventures, while Tomás is more reserved, preferring the pages of a book to mischief. One day, after stumbling upon a forgotten diary in Valeria's grandmother’s attic, the two friends become embroiled in a series of mysteries that will lead them to unravel the hidden history of their families and discover the true meaning of friendship.
As the plot unfolds, the town begins to reveal itself as a character in its own right, with its own secrets and tensions. The pair of friends faces the distrust of some adults and the disbelief of other young people. However, together they decide to investigate further, leading them into exciting and sometimes dangerous situations. With each discovery, Valeria finds more pieces of her identity and the history surrounding her, while Tomás learns to open up and trust others.
In the end, their friendship becomes the driving force that allows them to challenge the community, and through their courage and determination, they prove that sometimes the ties of the past can push us to create a better future. The film culminates in an emotional climax that leaves the audience reflecting on the value of truth and the connection between generations.