One day, wandering the streets, complaining of hunger, a cute boy runs to her and shouts, "Mama!"

The handsome Duke, the father of the child, offers a contract to provide food and lodging when she becomes a nanny.

Lina, the poor beggar, who suddenly had a son, finds out that the dead Duchess looks just like her… She tries to recall the lost memories of her past and surprisingly, it was connected to the Duke and the late Duchess.