Without a Trace

The four-year-old adopted son of a celebrity couple is kidnapped, and the team must determine if the reason has to deal with the parents' status or the boy's own Sudanese origin.

The team considers if a father who cleans crime scenes for a living led to his disappearance with his daughter.

The team searches for a missing mother who they believe may be searching for her son, who is also missing.

When a woman disappears after her boyfriend is killed by the police, the team suspects gang involvement. Later, Sam learns she's pregnant.

An office shooting forces a woman to disappear, possibly to hide a deep secret.

Malone's team joins forces with Gil Grissom, a CSI from Las Vegas, and his team as they track a serial killer with ties to New York. The crossover starts on CSI: Crime Scene Investigation S08E06 Who and What (I).