The City of Tears (1918)

When Rosa Carillo loses her singing job with a bankrupt Italian opera company, she goes to work in Tony Bonchi's delicatessen rather than accept artist Billy Leeds' offer to "take care" of her. Billy has quarreled with his model and sweetheart Maria, with whom Rosa thinks Tony is in love. When Tony is arrested on a false charge, Rosa tells Billy that she will accept his proposition if he will get Tony out of jail, but she brings Maria to the appointed meeting place to be safe. Tony rushes to the house, and after learning that Maria is his long-lost sister, he proposes to Rosa, while lovers Billy and Maria are reunited.