A young man's drinking binge sets in motion a sequence of violent and lethal crimes, leading Swansea detective, DI Harry Lambert - suspecting foul play in a suicide verdict - to continue his own investigations. Lambert is warned off the case by a Serious Organized Crime Agency officer, but when he and his team become involved in a murder case, it soon becomes apparent that there are connections between the suicide and his current murder investigation. Events take a bizarre turn when three petty criminals become involved in a deadly game of vengeance, and Lambert's prime suspect disappears, along with a respectable young man - who claims to have gone to France on business but who could now be involved in another act of revenge. When Lambert eventually discovers the whereabouts of the missing persons, he knows the game will become even more violent, but, trusting his own instincts, he uncovers the worst case of treachery he has ever known -