Ep 20. Ghost From the Past

Kiera, a former agent and colleague of OA, reaches out for help after her husband is kidnapped. The team quickly realizes that the kidnapping is connected to Kiera's past as an undercover agent investigating the Ghost Cartel, a dangerous drug cartel. OA goes undercover to try to infiltrate the cartel while the rest of the team works to track down Kiera's husband and bring him back safely. As they delve deeper into the case, they discover that the Ghost Cartel has ties to a larger global organization. The team must act fast to not only rescue Kiera's husband, but also stop the cartel from carrying out a deadly terrorist attack. Will they be able to stop the cartel and save innocent lives in time? Watch FBI season 4 episode 20, "Ghost From the Past," to find out.