The film takes place in Seville, in a period where the city has sunk into the depths of depravity and sin. Shocked by the depths his people have sunk to, the king of Spain (Holbrook Blinn) decides to give the town a visit when a Carnival is organized in order to redeem it. One of its inhabitants is Rosita (Mary Pickford), a beloved street singer praised by the townspeople for her entertainment.