Alberto's marriage is a complete failure: his wife Elena is a hard woman influenced by her mother and sister who live with the married couple. Alberto is also experiencing financial problems and hopes for the help of a rich widow who is however interested in his sexual favours. Naturally Elena puts obstacles in his way and everything goes wrong. Alberto decides to change job then and becomes a sweets sales representative. Disillusioned with marital life he also changes his attitude towards women: he tells every woman he meets he is single.