When a series of unusual gangland murders rock Soho’s underworld, Lionheart and Dunning are on the case. The victims appear to have wasted away, starving to death in a matter of days. But what could cause such a thing? Our intrepid pair find themselves in a world of crackpot diets, fake spiritualists and gangsters' molls as they follow the trail to the most dangerous man in London, Lionel Stackley. What is Stackley’s secret? Why is Dunning suddenly so very hungry? And will our heroes survive a Dinner Date with Death…?