A teenage girl disappears after joining a cult. In the office, Elena encounters problems with Carlos in their custody battle for Sofie.

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 determines if an ex-con's past criminal activity caused her to disappear after visiting a prison inmate. Det. Mars and Agent Johnson also continue their investigation.