Ana, a nine year old girl, arrives with her mother to an isolated beach with the intention to rest and to know the sea. There, she discovers that they are under a terrible threat, therefore she is obligated to look for help with her father in order to save her mother.

At 7:19 a.m., on September 19th of 1985, the most destructive earthquake hit Mexico's City. Inside what's left of a building, a group of survivors fight for their lives waiting for rescue.