There's a shock for Joyce when she and Tom visit a photo exhibition in Luxton Deeping. Barnaby also gets a glimpse of the bitter rivalry between the traditional film photo followers and the digital enthusiasts. Things develop a more serious turn, however, when a member of the local camera club is brutally strangled. For once there are no shortage of clues and leads, all pointing to one suspect - Barnaby himself !! Suspended from duty, Barnaby, with a little covert help from Jones, has to use all his deductive powers to discover the motive and unmask the real murderer before they strike again.