Giallo about a man plotting to kill his wife for her money.

Dreams, hopes and passions of the inhabitants of a populous and humble tenement in Madrid. Among them, an inventor who invents always what is already invented, a composer, a hostess, a locksmith, a delivery of a pastry ...

Ivón, a chorus girl, Hugo, a failed writer, and Carlos, Hugo's young son, arrive at a seaside hotel on a stormy night.