Lindsay Dunforth, head of the Investment Portfolio Department of an old City bank, has doubts about William Tadiecski whilst interviewing him for the post of Research Analyst. However, she is persuaded that William should be appointed, and soon he is a force to be reckoned with. But, as the weeks go by, Lindsay begins to think that she should have paid more attention to her first impressions. Someone has tapped into her personal files and money is mysteriously disappearing from various accounts. Then she receives a letter threatening her mother and four-year-old daughter...