George enlists in the police force and is assigned to Harmony Row, a haunt of criminals such as Slogger Lee. He makes several friends, including the pretty street musician Molly, and boy soprano Leonard. He is persuaded to fight Slogger Lee in a boxing tournament. He manages to defeat Slogger and win, and is united with Molly.
Millionaire playboy Fred White is attempting to make chorus girl Evelyn his latest conquest. Evelyn, on to Fred's scheming, has some scheming of her own, attempting to maneuver Fred into marriage. In a last ditch effort to get Evelyn into bed, Fred purchases a diamond bracelet, to which he has attached a key to the apartment he has leased as their potential love nest. When he shows the bracelet to his friend, Howard, the friend warns Fred that Evelyn is simply a gold-digger, only interested in getting him to marry her so that she can gain access to his money. The two make a bet. If Fred wins by getting her to be his kept woman, Howard has to pay for the bracelet and the cost of the apartment, and if Howard wins, by rejecting Fred's non-marital advances, Fred will owe Howard the same amount of money.
After winning a cash prize in a contest a young woman decides to visit Venice. She hires a secretary, a wealthy young man in disguise, to accompany her on the holiday. Once in Italy she attracts several suitors but her real love is her secretary. When she discovers he has deceived her she returns to Berlin on the express and he pursues her to try and declare his love.