Balding 'Romeo' and ex-WW2 Agent, Raymond Fernandez, and his jealous 'Juliet', nurse Martha Beck, team up to con vulnerable women across the nation. Targeting women in the 'Lonely Hearts' columns, they pose as brother and sister in a bid to rob them of their riches. Fernandez and Beck's dysfunctional relationship takes a grim turn after they murder their first victim, Janet Fay, in Fernandez' Long Island apartment. As many as 20 victims follow before the 'Lonely Hearts Killers' are captured.