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.

Amidst the problems in their childless marriage, Matías and Eva try their hand at matchmaking, setting up their friend Barbara with the man who seems perfect, Julián. Once they realize that Julian is not what he seems, they try to warn Barbara away, but she may already be too infatuated.