The Mercury is tracking down its stolen shuttle. They find it abandoned and drifting in space. The team devises a plan to capture it and find something unsettling. In San Antonio Sam meets with Bishop to discuss some of the details of Bishop's mission and how Sam is going to be used. In Houston, Tracy's team studies possible targets while Corsky is en route. Scarlett in the meantime has made a startling discovery about the possible Pentagon mole.

The Mercury crew must find a shuttle to replace theirs which was stolen by Lyster and Ursula. Scarlett comes up with a viable suspect for the Pentagon mole. In Houston, Kate and crew whittle down possible RAGE targets to three. In San Antonio, Sam meets with Bishop and learns more about his mission in Houston.

Simon and crew verify that their shuttle has been stolen and they can't pursue Lyster and Ursula. Jaffra's crew joins them and they make a plan to get another shuttle. Thornton Barnes and Scarlett pour through personnel records in search of the pentagon mole while Tracy's unit determines possible targets for Bishop. Sam and Bishop meet privately to discuss the mission and Corsky's possible future.

Lyster and Ursula escape from the bunker on quads with the Doctor. Simon and crew head back to Tyrannus to retrieve their shuttle craft. Garrett arrives in Houston to the newly setup "war room". Sam and Bishop meet. Sam learns more about Bishop's plans and is getting closer to learning what his target is.

Jaffra and his team are in the bunker to capture Lyster, Ursula, Hanaka and his guard while Simon's team sets up an ambush outside in case there is an escape attempt. Kate and Kelly arrive at Richards' office to see the war room while Garrett is enroute. Sam meets with Corsky and Bishop and learns more about the Hongan mission at hand.

Jaffra's team is making their approach to the bunker on Death River, while Nate observes from above in the Mercury. Inside the bunker Hanaka is making preparations to have the circuit board implanted but Lyster has other ideas. Kate and Kelly arrive in Houston to meet with Cpt Richards while Sam negotiates with Col Bishop as Garrett drives from San Antonio to Houston.

Jaffra's team looks for transportation to head to the bunker, along with Simon's team. Gabby must learn to use her new found wifi skills to disable the bunker's security system. Lyster lays a trap for Hannaka. Kate sets up a meeting with Captain Richards while Sam sets up an important meeting with Bishop.

Hanaka joins Major Dunn in a battle against the River Monsters. The Mercury team assembles to plan out their attack on the bunker where Hanaka his guard, Lyster and Ursula are all headed. Kate gets new marching orders from Jake. It's all happening in episode 236 "Battle Royale".

Hanaka and his guard arrive at the mercenary camp only to face an attack by the river monsters. Kate and Kelly transport to Hagerstown, Maryland to meet with Leonard. Bishop contacts Sam and says they need to up their schedule and they may need his help. The crew of the Mercury looks for a critical part for the ship's landing gear before pursuing Hanaka and Lyster.

Hanaka and his guard have made it to the Death River bunker while Lyster and Ursula spy on them from inside. Kate and Kelly find out that they will be going to Hagerstown to interview Leonard. Gabby and team are monitoring Lyster and Hanaka from the air while Jaffra's team prepared to leave the Mercury via its shuttle.