Mid 90's, coastal city. Clara and Miguel are two lonely people who meet. Luis and Viviana are a married couple dealing with their teenage son, Marcos. Lorena is a naive young girl. The sea and the sand will witness how these common lives are intertwined by the threads of destiny that uncover the deepest corners of their souls.

Laura Pereira begins a desperate search to find her father who disappeared. While trying to find answers, something is following her. The disappearance of her father and the strange events, could have an explanation related to the UFO phenomenon her father was investigating. Laura embarks on a quest that will put their lives in danger, that will change the destiny of humanity.

Juan constantly argues with his wife, takes sleeping pills, repeats to himself every day that life isn't going well, and confronts a friend in need over a past debt. And to top it all off, he ends up in a place where nothing is what it seems and where he will have to learn to reevaluate his life if he wants to return home.

Chiqui is a fifty-year-old woman with a mild mental disability. She is an only child, single, and has never been known to have a relationship. She lives in the house she inherited from her parents and shares it with her cousin and her cousin's family. They have assumed authority as owners of the house, relegating Chiqui to a limited life. This family's situation will change when Chiqui introduces Bocha, her boyfriend, on Christmas Eve. His mere presence will change the entire course of life in the house, leading Chiqui's family to dark corners.