When Don Servando Villegas gets expelled from his retirement home, his younger son Francisco takes him in. Don Servando is about to find out the truth about his son and his way of living.

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.