Corruption in the police force? - It's West's job to find out.

Dealing with those outside the law makes a policeman's task hard enough, but when he can't trust his own colleagues he's in trouble. Faulty police evidence has led to several petty criminals escaping jail sentences; bribery is suspected and Roger West called in to dig deeper.

With one policeman shot and another accused of unnecessary violence against a suspect, there is more than the reputation of the police at stake as West's investigations sink him deep into the mire of West End gangdom.