Today Is Life – The ninth season ends with widespread unrest over the police shooting of an unarmed man. The community uproar forces Mac and his team to move quickly to solve the case.
Blood Actually – Mac and the team investigate three twisted tales of love on Valentine’s Day. Josh Groban appears and sings “Happy in My Heartache.”
Seth and Apep – A crossover episode that began on “CSI” concludes as Mac and D.B. Russell try to rescue Mac’s kidnapped girlfriend.
White Gold – A pizzamaker is the victim of a carjacking, and the CSIs try to determine what the perpetrators were really after.
Nine Thirteen – The CSIs investigate the link, if any, between a skyscraper with a notorious history and a masked man found dead at the bottom of it. Meanwhile, Jo’s day off takes an interesting turn when she runs into a stranger who has a connection to her past.
Civilized Lies – An off-duty police officer is killed during a robbery, and the CSIs use the art of interrogation to break down the suspects and get the truth.
Command+P – Two separate murders are linked by a very unusual weapon.
The Real McCoy – The co-owner of a popular bar is found dead. Mac follows Christine’s advice to tear his to-do list up and relax on his day off which will lead to Mac sharing lunch and memories with a complete stranger.
Blood Out – Lovato’s cover is inadvertently blown, which leads the CSIs to investigate a Latin street gang she infiltrated while undercover.
Late Admissions – A student at an elite prep school is murdered. Meanwhile, Lindsay returns home to Montana to visit her father and deal with some issues from her past.