A poor composer sells his songs to a music publisher who attributes them to his son, who sells them to a famous singer. Seeking the son, the musician's daughter will unexpectedly find a job as secretary to the singer, disguised as an unattractive and authoritative woman who effectively controls his careless lifestyle.
Two sisters living with their aunt in a mountain village are fond of a writer whom they have the chance to meet, both of them falling in love with him. When he proposes to one sister, not wanting to hurt the other she is ready to renounce.
Due to a rail accident, the passengers of a train had to be housed in a nearby town while awaiting the arrival of a relief convoy. In the train were traveling Alicia and Paul, a couple who will marry soon, along with her mother, and George, a mature man who looks for a woman he loved. Due to the accident, they will have to spend the night there, where chance lead to a series of events that make the passengers no longer be the same.
Carmen, a young Sevillian woman who wants to succeed on the radio, arrives at a decrepit station that goes through bad times. Thanks to her, the radio station will get a much quoted prize.
A marginal group celebrates Christmas Eve singing and dancing in the street while a millionaire celebrates the feast offering a great dinner to his friends. The millionaire receives a telegram from his sister in America who announces her visit after more than twenty years without seeing each other…
