Episode 5.10: S.O.S. and Episode 5.11: Maternal Instinct
Jack calls on former Agent Weiss and the APO team to search for Sydney after receiving a distress call from her. But Jack believes that a larger conspiracy may be in play, thwarting their attempts to rescue her. Meanwhile, Tom's suspicious actions may suggest he has a hidden agenda, Irina Derevko is a surprise partner to Jack and a very pregnant Sydney on a mission to retrieve "The Horizon" - but her allegiances still remain in question -- and Sloane is forced to scramble when Devlin suspects a mole is working inside APO.
