Cathy Herd

While working during the Christmas holiday, the interns lose their faith, but the birth of a child ultimately brings hope to all.

Grissom and Sara examine a body found covered in lye, while Nick tries to uncover how a woman could have drowned while hiking in the desert.

A Manhattan-based woman disappears after leaving a party and suspicion initially falls on her live-in boyfriend, but there are reports that she was seen flirting with his twin brother the night before she went missing.