It begins with a Pimp seeing Kasumi walking and tries to make a sexual harassment on her,but she quickly overpowers him,leaving him tied up on the pole. Later,Kasumi was approached by Christie,who invites her to the Dead or Alive Tournament Executive Committee,headed by Fame Douglas,which She accepts. She arrived at the tournament where Douglas announces that if three survived,they'll be facing Ein and if one wins,They'll be facing one challenger,Raidou. Douglas' daughter,Helena,who believe her father order the assassins for the death of her mother,was put in to participate,which is secretly by Christie. Bass Armstrong was put in to prevent his daughter,Tina from fulfilling her dreams. The unnamed assassin grew obsessed with hunting down Kasumi and was put in.
It begins with Jan Lee,a bouncer and martial artist facing off with Hitomi,a Eurasian Martial Artist,& Leon,the mercenary,and wins. Kasumi flashes back of herself as kid,along with her brother,Hayate spent time training with Ayane. Bass gets eliminated by Tina,who grew tired of his overprotective due the death of her mother. She then faces off with and wins. The Assassin grew impatient,but Ryu Hayabusa,who was put in a tournament as well,restrained her. Fame scolds Christie for putting Helena in the tournament. Hitomi's friend,Leifang won against Jan & a drunken fighter,Brad Wong,but lost to Tina. Kasumi flashes back about her father fights off against the Assassins,who are in conspiracy with her Uncle,but gets killed and Hayate was knocked out and gets captured. Ryu,who was a friend of Hayate,approaches Kasumi. He knows She wants to stop Raidou and knows the Assassin was hunting her. Raidou explains to Victor Donovan about his record,revealing that his younger brother,Shiden was chosen to be master of the Mugen Tenshin clan over him. Many years passed,He had raped his sister in law,Ayame,who conceived a child. It is revealed that Raidou is Kasumi's Uncle which means Ayane is her cousin and half sister.
Helena confronts her father,who explains that he didn't order the assassins to kill her mother. Christie fights with Gen Fu and kills him. She was later confronted by Helena and reveals that she killed her mother on Donovan's orders. Raidou kills Fame as Helena defeats Christie,but spares her. Kasumi,Ryu,and the Assassin won against Helena,Tina,& Bayman and faces off with Ein,who turned out to be Hayate,which he suffers amnesia. After Ein gets defeated,the Assassin attacked Kasumi,who identifies her as Ayane. She reveals that she was ordered by her adoptive father to hunt down and kill her for running away,which Kasumi only left to find Raidou. Ryu throws a shuriken at Kasumi. Enraged,Ayane attacked Ryu,who steps out of the tournament. As Kasumi's body was taken,Ayane flashes back about Ayame revealing the truth.
She prepares to fight Raidou,but gets interrupted by the explosion,planted by Zack & Helena. Kasumi emerges from the smoke,having faked death since Ryu's shuriken struck her pendant her mother gave. Ryu,Helena,Bayman,& Ayane kills Donovan's henchmen as Kasumi uses her Torn Sky Blast to knock Raidou into the explosive containers,killing him. The fighters escape along with Hayate,who regains his memories. Back at the Mugen Tenshin Clan,Hayate reunites with his mother. Bass watches Tina became an Actress as she spent time with Zack. Jan begun sparring with Leifang & Hitomi. Leon looked over the horizon to remember his deceased lover. As Helena became leader of the DOATEC,Bayman assures her that Donovan is still planning reclaim her father's place. Ryu allows Kasumi to lay low since she is still hunted. She kisses him goodbye before leaving.
