"Bird," a clerk in Fordham's drugstore, agrees to place a large sum of money in the store's safe for a traveler, but when the man requests a bottle of medicine, Bird poisons the remedy, and the visitor is found dead in his hotel. Bird flees with the money, but several years later he returns, the money long since squandered. Unless Fordham's daughter Eleanor marries him, he threatens, he will tell the police that Fordham committed the crime. Eleanor's sweetheart, fireman Jack Manley, is puzzled by her involvement with Bird and decides to investigate. By chance, he meets an old alcoholic who once worked for Fordham and possesses the evidence to clear the druggist and convict Bird. The latter, fearing that he will be exposed, cuts the signal wires to Fordham's house and then sets it on fire, but Eleanor telephones the fire station, and the entire department is soon on the scene. Jack risks his life to save Eleanor and the old drunk, who finally exposes Bird. Soon afterwards, Jack and Eleanor climb aboard the fire engine to ride to their own wedding.