Being admitted to a hospital during a pandemic is bad. Being trapped there while a lunatic is on the loose is even worse. Ex-cop Jacqueline "Jack" Daniels, ex-criminal Phineas Troutt, and ex-private eye Harry McGlade are all healing after a near-fatal encounter. But it's tough to mend when there's a serial killer prowling the halls at night, draining patients of their blood. The psychosis is known as Renfield's syndrome. The psycho...