A family is brutally slain by three masked intruders, one victim being pregnant. Catherine heads the investigation, the emotional toll deepening her desire to reunite with her estranged daughter, Lindsey.
When three masked assailants invade a home and murder an entire family, including a pregnant woman, the CSIs are called to the scene to investigate. Catherine leads the team through the emotional case, which intensifies her own longing to reconnect with her estranged daughter, Lindsey.