Memory Lapse: A Crime Novel

On what seems an ordinary day in Philadelphia PA, local financier Porter Maddox witnesses a brutal murder only to take a near-lethal fall down a city subway stairwell shortly after. He subsequently loses his memory and is tailed by Drake, a career Fixer, even as he is pursued by Collins and Gunn, the Philadelphia Police, who badly need information and a suspect. But what can Porter do when he is suspected of knowing case details and yet cannot remember anything?