Anna's old school friend, Laura Jones, hires her to follow her philandering husband, Dominic, who is a chef at a gourmet restaurant. Anna soon finds that Dominic is having an affair with an actress called Mary Vincent - but so is Laura's father, David Lambert, the joint owner of the restaurant. Then Dominic announces he is taking a job in the Caribbean working for Mark Fletcher, a British member of parliament. Laura confronts Mary Vincent - and then Mary is found murdered at Laura's house, and Laura has vanished. Anna suspects Mark Fletcher of a complicated plot to entice Dominic away from London. Dominic accuses Mark of killing Mary - and then Mark is also murdered. In the end, Anna identifies the killer - and it is not Laura.moreless