You'd think you would be allowed to relax over Christmas, but not in the world of the Thursday Murder Club. On Boxing Day, a dangerous package is smuggled across the English coast. When it goes missing, chaos is unleashed. The body count starts to rise - including someone close to the Thursday Murder Club - as our gang face an impossible search and their most deadly opponents yet. With the clock ticking down and a killer heading to Cooper's Chase, has their luck finally run out? And who will be 'the last devil to die'?