Bryan and Santana must extract a nuclear physicist long thought dead, from a secret North Korean prison compound. Meanwhile, Kilroy faces a moral dilemma when Hart asks him to locate a criminal wanted by a foreign government.
When the wife of a war hero senator is taken, Bryan and the team must determine if her disappearance was orchestrated by a foreign government or someone closer to home. Meanwhile, Christina's meeting with an old friend brings up painful memories.
When a plane crashes carrying Bryan Mills and a key witness in a murder investigation, a wounded Mills must call upon the survival skills his father taught him to overcome the elements, find a way out of the woods and protect the witness from a lethal team of mercenaries on their tail. Meanwhile, Santana organizes a "go big or go home" plan to locate the downed plane.