Kitten O'Day, who works as maid in a theatrical boardinghouse, firmly refuses a stage career, though she is the daughter of a theater family. However, when songwriter Tod Gilbert takes up residence in the house, Kitten falls in love. Tod poses as a success, intimating that he is to write songs for Sharon Lee, a Broadway prima donna. Kitten then learns that he is unable to contact, Sharon's manager, Disbrow, and decides to help. She takes a chorus job, but arouses Sharon's animosity through her efforts to promote Tod's song. When Tod assaults the manager, Kitten is forced to lock Disbrow in the bathroom while she tries to persuade Sharon to sing the song. In a stunning manner, Kitten presents the song herself, winning over Disbrow and assuring her happiness with Tod.