While Jack is in the hospital, the team searches for a heart-transplant patient and tries to figure out if her curiosity about the donor who saved her life has anything to do with her... Full summary

Jack goes missing after he tries to find a doctor who has performed illegal abortions on women forced to work as prostitutes in a human-trafficking ring.

When a woman goes missing, the teams must race to find her and determine whether her disappearance is linked to a radical anti-war group or to her father, a struggling Vietnam vet.

A determined private investigator with a reputation for getting the job done disappears while doing undercover surveillance.

The team tries to determine if a college student, who disappears while working as Santa Claus at a mall, is using his genius for criminal endeavors.

When an ex-con goes missing, the team questions whether her past mistakes have come back to haunt her.

When an ultimate fighter disappears after winning a match, the team discovers that he knew many people who may be responsible for his abduction.

The team searches for a college student who vanished after making provocative statements during a classroom discussion.

The FBI team and Grissom continue searching for a pattern to help them capture a suspected killer.

When a woman disappears in the aftermath of an office shooting, the team discovers a secret that may have caused her to go on the run.