Detective Migdalia Torres investigates a vicious strangling on a Boston subway car with no feasible leads. As potential evidence produces dead ends, Migdalia inadvertently takes in a vagrant named Yusef who may have a supernatural connection to the crime at hand. While Yusef's plagued by visions and seemingly false memories, both suspect and detective struggle to discover the identity of the phantom killer that stalks the Boston Metro. Collects issues #1-#4 of the miniseries.