In order to help bring Nazis to justice, U.S. government agent T.R. Devlin recruits Alicia Huberman, the American daughter of a convicted German war criminal, as a spy. As they begin to fall for one another, Alicia is instructed to win the affections of Alexander Sebastian, a Nazi hiding out in Brazil. When Sebastian becomes serious about his relationship with Alicia, the stakes get higher, and Devlin must watch her slip further undercover.

After a seven-year absence, Charlotte Andergast travels to Sweden to reunite with her daughter Eva. The pair have a troubled relationship: Charlotte sacrificed the responsibilities of motherhood for a career as a classical pianist. Over an emotional night, the pair reopen the wounds of the past. Charlotte gets another shock when she finds out that her mentally impaired daughter, Helena, is out of the asylum and living with Eva.

In Casablanca, Morocco in December 1941, a cynical American expatriate meets a former lover, with unforeseen complications.

When Dr. Anthony Edwardes arrives at a Vermont mental hospital to replace the outgoing hospital director, Dr. Constance Peterson, a psychoanalyst, discovers Edwardes is actually an impostor. The man confesses that the real Dr. Edwardes is dead and fears he may have killed him, but cannot recall anything. Dr. Peterson, however is convinced his impostor is innocent of the man's murder, and joins him on a quest to unravel his amnesia through psychoanalysis.

In 1935, when his train is stopped by deep snow, detective Hercule Poirot is called on to solve a murder that occurred in his car the night before.