A derelict, huddled under the steps of a missionary church, feels enlightened by the sermon of a passionate preacher and infatuated by the beauty of the congregation's pianist, in such a way that he tries to improve his life of poverty by becoming a policeman. His first assignment will be to patrol along Easy Street, the turf of a vicious bully and his criminal gang.
During the troubled shooting of several movies, David, the prop man's assistant, meets an aspiring actress who tries to find work in the studio. Things get messy when the stagehands decide to go on strike.
When Marie St. Clair believes she has been jilted by her artist fiance Jean, she decides to leave for Paris on her own. After spending a year in the city as a mistress of the wealthy Pierre Revel, she is reunited with Jean by chance. This leaves her with the choice between a glamorous life in Paris, and the true love she left behind.
The Tramp and his dog companion struggle to survive in the inner city.