Dangerous threats keep Michael and Lincoln from protecting Sara and Mike. Poseideon attempts to outsmart Michael, so the rest of the gang lead them to the ultimate showdown.
Lincoln and Michael ask Sheba and C-Note for help to catch Poseidon when Sara and her son is threatened. T-Bag reveals a secret, while Whip accepts a separate mission.
Ray, Sara and Kendra make surprising life choices when they are expectantly abandoned by their team in the 1950s.