Epilogue Following a spray of machine gunfire, the CSI team rises from the chaos. But when one member's life is significantly changed, it proves to be the emotional motivation they need to piece together their lives and ultimately find the shooter.
Blacklist (Featuring Hangman) The case of a cyber killer, who appears to be targeting medical healthcare workers, turns personal when the suspect invokes the name of Mac's father who had died nearly two decades earlier.
Lat 40° 47' N/Long 73° 58'W When two bodies are discovered at the North and South ends of the city, Mac and the team deftly begin to navigate the trail of evidence left behind by the killer.
Dead Reckoning Incriminating DNA evidence contradicts the confession of a scorned woman claiming to have brutally murdered her cheating husband.
Battle Scars When an unidentified shooting victim turns out to be a rising star in the underground world of hip-hop dance battles, the CSIs turn their attention to a long list of rival dancers.
It Happened To Me When a software company executive bleeds to death on a Manhattan street, the CSIs must delve into the wet and messy world of food "sploshing" parties - where groups of people experience food in an sensual way - to find his killer.
Hammer Down A big rig accident results in the discovery of an interstate trucking ring that specializes in human cargo and black market organ harvesting -- and sets off a race against time to save a hostage.
Cuckoo's Nest After a body falls from the 59th Street Bridge, the CSI team finds a compass near the body pointing east, and realizes it's the third victim of the "Compass Killer".
Manhattanhenge Mac and his team uncover the dark lair of a murderous madman, the Compass Killer. But as they race to save his fourth victim, the sunrise presents one final surprise that no one ever expected.