Dexter has lived a quiet life, avoiding the temptations of his past, for more than a decade. However, when a local hotshot begins acting recklessly and a mysterious stranger appears on his trail, Dexter is faced with a tough choice. Will he be able to control his violent urges and keep the Dark Passenger away?
Dexter discovers that Kurt, his ex-love, is a serial killer as he tries to find the killer. This revelation makes Dexter the prime suspect in Matt’s murder. The murders were committed by a man with twisted motives who preys on others and hides his identity. Harrison is also Dexter’s dark passenger.