Stardate 48846.5: Tuvok notices how Crewman Dalby, a former member of Chakotay's crew, replaces a bioneural gel pack without authorization. Captain Janeway orders Dalby and three other former Maquis that are known to be stubborn and unmotivated to take part in a Starfleet training led by Tuvok. Tuvok arranges drills for the four crewman but with little success. In the meantime more gel packs have been infected, and the source is found to be a cheese that Neelix keeps in his kitchen. Multiple system failures occur on the ship, and Tuvok and the four crewman are trapped inside a cargo bay without being able to contact the bridge. Janeway orders to invert the warp field to heat up the gel packs and fight the infection, which causes a conduit in the cargo bay to rupture. As the room is filling with poisonous gas, Tuvok orders three of the crewmen to escape through a Jefferies tube, while he stays behind to save the fourth one, thereby earning the respect of the former Maquis.

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