Mark se poroči z Marnie, četudi je ta kompulzivna tatica in ima resne psihološke težave, in ji skuša pomagati pri soočenju s temi njenimi demoni.
Marnie Edgar is a habitual liar and a thief who gets jobs as a secretary and after a few months robs the firms in question, usually of several thousand dollars. When she gets a job at Rutland's, she also catches the eye of the handsome owner, Mark Rutland. He prevents her from stealing and running off, as is her usual pattern, but also forces her to marry him. Their honeymoon is a disaster and she cannot stand to have a man touch her and on their return home, Mark has a private detective look into her past. When he has the details of what happened in her childhood to make her what she is, he arranges a confrontation with her mother realizing that reliving the terrible events that occurred in her childhood and bringing out those repressed memories is the only way to save her.