Susan and Ian have their first official date while their respective lovers remain in comas, and Xaio-Mei, the surrogate mother of Gaby and Carlos' baby, delivers the long awaited bundle of joy.
Elliot aligns herself with her new friend, Dr. Clock; Turk keeps waking Carla up when he goes to bed.
The CSIs are brought into the world of fast world of tweakers and methamphetamines when a young man is found murdered in his girlfriend's garage after a wild night of partying. The murder first appears to a jealous girlfriend's revenge after discovering her boyfriend is a cheater is complicated when the other woman in the scenario is the girl's own mother.
Charlie and Kate begin work on a sex study. Meanwhile, Lacey starts a new job.
