3. Buck the System

With Deb keeping a close eye on him, Dexter is starting to go stir crazy. He desperately wants to satisfy his dark passenger but first decides to get Louis Greene out of his life forever. Deb is growing increasingly frustrated at the lack of progress in finding Mike Anderson's killer. The murderer's employer, Isaak Sirko, is having much better luck and actually traces his former employee right to Dexter's boat. Dexter wants to kill someone and focuses on the recently paroled killer Ray Speltzer. Dexter is convinced that Speltzer will kill again and tries to convince ...

Plot summary and ending

Spoilers ahead. Coverage follows the scope labeled below.

Complete story — includes the ending

Miami Metro begins investigating Hannah McKay, Wayne Randall's ex-girlfriend and former partner in crime. Meanwhile, Dexter informs Debra that Ray Speltzer (Matt Gerald), a suspect in two murders, is likely going to kill again. Isaak learns that Viktor's last location was the marina where Dexter's boat is and investigates, finding Louis attempting to sabotage Dexter's boat. After learning the boat is Dexter's, Isaak kills Louis. Debra follows Speltzer to an abandoned house and waits outside but is forced to get involved when Speltzer traps his latest victim in a Minotauran labyrinth he's constructed inside. Ray attempts to kill Debra but Dexter arrives in time to save her. Speltzer escapes, but not before killing the woman he'd lured inside.

Sources and content license

Source and revision history · Adapted from Wikipedia contributors, Dexter season 7. HTML formatting and reference markers removed. · Content license