Two boys (Ramallo and Manuel) and a girl in the Spanish Civil War are involved in the death of other two boys, one killed, the other suicided. This terrible secret will be with them for all their lives. Years pass and they meet in a hospital for tuberculosis treatment. She is now a nun, Ramallo is a thief and Manuel is obsessed by religion. Reality is too hard to feel, only the sea should be the best place, where all is quiet...