Cash-strapped Sally Wilson is struggling to support herself and her desperately ill daughter when she is informed that she has been bequeathed five million pounds by an anonymous benefactor. But there is a horrifying catch - she will only receive the money if she kills someone who deserves to die. Sally is shocked and appalled - but when her boyfriend Mark establishes that the offer is genuine, she cannot help but wonder about the possibility of helping her daughter, who will die without expensive medical treatment. As other people enter the picture, things become more complicated - and Mark decides to take matters into his own hands

Concluding part of the gripping drama. Sally rushes to find Bury to warn him that Mark is after him, but the situation turns violent and things get out of control. As Mark and Sally try to deal with what has happened, Mark questions her about why she was chosen to receive the bequest. The pair decide to investigate further and Sally uncovers shocking links to her own past - and a twisted story of loss and heartbreak.