The teenage son of a Secret Service agent disappears; a long-festering secret that set a deadly chain of events in motion is discovered.

A white-collar criminal disappears while on his way to testify against a former associate, but the team's investigation leads them to believe there is more to the story.

An up-and-coming executive for a high-end clothing company is abducted after a rooftop party in Manhattan.

The team hunts for a man whose missing daughter was never found, wondering whether his desire to help another couple find their missing son is somehow connected to his disappearance.

Five people with a unique connection are abducted from a coffee shop; Sam prepares for the birth of her baby.

The team hunts for a tow truck driver who was touted as a hero for saving a boy's life.

A lottery winner disappears after coming into millions, and the FBI suspects foul play; Jack learns some troubling facts about Brian Donovan.

The team searches for a man who goes missing after waking from a three-year coma and uncovering a dark secret while trying to piece together his past.

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