Watch Boon online: Episode 8 The Devil You Know

Ken and Margaret are employed to watch a husband, Ronnie Hains, who is suspected of having an affair. They follow him and his girlfriend to a boating lake and take a series of incriminating photographs of the couple, then Ken uses up the remainder of the film taking pictures of Margaret. It all looks like an open-and-shut case. But a robbery has been committed nearby and the chief suspect, who is none other than Ronnie Hains, claims to the police that he was elsewhere at the time - Ken and Margaret's photographs and statements prove that he was on the lake. Ken and Margaret are questioned at length by two smug detectives, Joyman and Pelham, who are particularly hostile to Margaret because she used to be in the police herself. However when the BDI office at the Plaza Suite is broken into and only Ken's photos of Margaret are stolen, they and the police become suspicious. Close examination of the negatives reveal that, in the background, a friend has taken Ronnie's place at the crucial t

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