Dexter targets a retired mob hitman as Harry works a gruesome murder case of a ten-year-old boy. Deb sneaks into a nightclub with Sofia and meets an exciting new friend.

Miami Metro is shaken by a kidnapping that hits close to home, as Dexter sets his sights on a killer that slipped through the cracks of the justice system. But first, Dexter must survive a double date with Deb and her new boyfriend.