Set in the 24th century, the series follows the adventures of the crew of the Federation starship USS Enterprise-D. In this episode, the recurring character Ro Laren (Michelle Forbes), a court-martialed Starfleet officer who first appeared in the episode “Ensign Ro”, finds her loyalties divided between Starfleet and a group of resistance fighters who oppose the Cardassian Union, as she and her fellow Bajorans once did.

The Enterprise is en route to a briefing concerning the current situation along the border of the Cardassian-Federation demilitarized zone. Meanwhile, newly promoted Lieutenant Ro Laren arrives in Ten-Forward to attend a welcome back party after recently graduating from Starfleet Advanced Tactical Training class.

The Enterprise responds to a distress call from a Cardassian warship under attack by the Maquis, a paramilitary organization of Federation citizens who have taken up arms against the Cardassians. The Enterprise uses a spread of photon torpedoes detonated between the Cardassian and Maquis ships, causing them to break off their attack and withdraw. Later the Enterprise has its rendezvous with Vice Admiral Alynna Nechayev's Excelsior-class ship and she expresses Starfleet's concern about the Maquis, who are jeopardizing the Federation-Cardassian peace treaty. She advises Picard that Starfleet has decided to infiltrate the Maquis using Ro Laren.

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