Dexter doesn't just have killer instincts as a forensic blood spatter expert. He's also murdering bad guys in his spare time as Miami's hometown serial killer! The Dark Passenger, Dexter's razor sharp sixth sense, is going off the charts as bodies continue to drop in Miami! Detective Deborah Morgan's murder investigation leads Dexter and her to more questions and suspects. Dexter can't seem to shake crossing paths with an old high school acquaintance whose past is anything but squeaky clean.