Advertising executive Andrew Fell discovers on Christmas Eve that his ex-lover has committed suicide. His obsession with her death leads him to the first link in a cover-up of food double dealings, and into danger for himself and his family.

The disturbed and mysterious Jo Scott tempts Andrew with information about the people behind Beth's death, but then subjects him to violent harassment.

The mysterious Jo has been murdered, and her body left in Andrew's house. She held the clue to Beth's death, so can Andrew discover the truth about his ex-lover's killing?