A misunderstanding leads to sombre consequences as two flatmates recall very different turns of event from the previous night.

Crossed telephone wires enable Helen to overhear a plot between Joe and Bill, escaped convicts, to join a number of Chinese who are being smuggled into the country in a freight train.

Marcel Murphy, a telephone operator with society aspirations, overhears Mrs. Benson's conversation describing a party she is planning for her son, Ralph, and wangles an invitation by imitating Mrs. Benson's voice. At the party a maid accuses Marcel of the theft of another guest's jewelry, but she appeals to Mr. Benson, who covers up for her by describing Marcel as the daughter of an old friend and by secretly installing her in a hotel suite.

An innocent man is accused of murdering his aunt.

Mr. Cupid falls asleep on the job, and hijinks ensue.