"The House of Quark" is the 49th episode of the science fiction television series Star Trek: Deep Space Nine, the third episode of the third season. Set in the 24th century, the series follows the adventures on the space station Deep Space Nine near the planet Bajor. Many episodes of the series focus on alien races such as the Ferengi, a species whose culture is dedicated to the pursuit of profit, and the Klingons, whose warrior culture emphasizes honor. In this episode, the Ferengi bartender Quark accidentally causes the death of a drunk Klingon, and ends up forcibly married to the Klingon's widow. This episode first aired on television on October 10, 1994. Plot On a slow day at Quark's bar, Quark is assaulted by Kozak, a drunk and belligerent Klingon. During the scuffle, Kozak accidentally stabs himself and dies. Quark pretends to have slain Kozak in self-defense, attracting more customers to his bar with his newfound notoriety. Soon, a Klingon named D'Ghor, claiming to be Kozak's brother, accosts Quark in private and intimidates Quark into maintaining his lie, claiming an accidental death would dishonor his family. Kozak's widow, Grilka, visits Quark's bar, extracts the truth from him, and abducts him to the Klingon homeworld Qo'noS. Quark learns that Kozak left no male heir, leaving the House of Kozak leaderless. Had Kozak's death been ruled an accident, Grilka would have been granted special dispensation to take over the family, but because of Quark’s lies, everyone believes that Kozak died in combat. D'Ghor is not Kozak's brother, he is Kozak’s archenemy, to whom the House of Kozak is heavily in debt. In desperation, Grilka forcibly marries Quark, making him the new head of Kozak's family, which legally prevents D'Ghor from seizing her property. After a rocky start, Quark and Grilka develop respect for one another. Quark inspects the family ledgers and discovers that for several years, D'Ghor has been using financial scams to weaken the House of Kozak's assets, which is dishonorable conduct for a Klingon. Quark exposes D'Ghor to the Klingon High Council. D'Ghor retaliates by exposing Quark's lie regarding the circumstances of Kozak's death, and challenges Quark to a duel to the death. Quark tries to flee the planet, but Grilka guilt-trips him into staying to face D'Ghor. At the duel, Quark throws his weapon to the ground, denouncing the duel as no better than an execution, since Quark