Agustin, a widower who lives in a village in Aragon, where he is much loved by all neighbors, is lonely and decides to go to the big city, where his son, a famous doctor, lives with his wife and daughter. Agustineis received by his children with great coolness, as he does not fit in the environment in which they operate. The life of his son, his daughter-in-law, and even the maid is too sad for this simple town man.

Guadalupe is an orphan as a child by Eulalio host and Euphrasia, who incite to steal and commit crimes. She opposes and decides to leave the house to avoid it in the company of a goldfinch and his trusty cat. The girl comes to live independently but failures will accumulate, until he accidentally meets Baby, a lady of good family, and among them emerges a sincere friendship.