After the mobster who murdered his partner is acquitted, semicorrupt detective Robert Bryant hires a beautiful female assassin, Maria, to kill him. When he discovers that he cannot afford Maria's services, Bryant is forced to hire another assassin, Madison, to kill her. Maria survives the doublecross and sets out to collect what's owed to her, one way or another.

Ex-police psychologist Rob has plenty of problems of his own. Having retired through ill health, he is quite aware that he is not the best person to talk down suicidal single mother Chrissy when she threatens to throw herself off a Newcastle tower block. Rob is, however, the only person available, so he sets about helping Chrissy to overcome her fears, unexpectedly confronting several of his personal demons along the way.