Episode #1.1

Plot:

Happily-married teacher Ellie Manning is devastated when two policewomen tell her that her husband Greg has been killed in a car crash,the more so on learning that he had a glamorous passenger,events organizer Milena Livingstone,who died with him. Ellie seeks out Milena's cold widower Hugo,who believes that the dead couple were having an affair but Ellie is not convinced and later refutes similar suggestions from friends and family. She is however suspicious of Milena's appearance in her husband's life and becomes obsessive in trying to prove that they were strangers. Posing as her friend Gwen she engineers a meeting with Milena's business partner Frances.