After seeing her husband Thomas getting pushed into a pool of boiling water and die soon afterwards, Jane turns ill. She gets well in a month's time, during which time the spirit of Sarah Burns, her best friend, goes inside her. She causes Jane to murder her friend Liza Teasedale, the foreman of the mill and Clara, Jane's maid, by controlling her body. Jane commits suicide soon afterwards in order to stop Sarah from leaving her body and committing any more murders.