"Vandread Turbulence" is a two-episode OVA that serves as a continuation of the original "Vandread" series, expanding on its narrative and resolving lingering plot threads. The story is set in a future where humanity has colonized space, with men and women living on separate planets due to a long-standing societal divide. The conflict between the male-dominated planet Taraak and the female-dominated planet Mejere escalates into a full-scale war, but the series focuses on the unlikely alliance formed when a group of men and women are forced to work together aboard the sentient starship Nirvana.

The OVA picks up after the events of the second season, with the crew of the Nirvana continuing their journey to Earth, the ancestral home of humanity. The central characters include Hibiki Tokai, a brash and impulsive mechanic from Taraak, and Dita Liebely, a cheerful and determined pilot from Mejere. Their relationship evolves as they face new challenges, alongside other key characters such as Meia Gisborn, the stoic and skilled leader of the female pilots, and Jura Basil Elden, a confident and flirtatious pilot. The crew also includes Barnette Orangello, a no-nonsense fighter, and Pyoro, a quirky robot with a mysterious connection to the Nirvana.

The plot of "Vandread Turbulence" revolves around the crew’s efforts to uncover the truth about Earth and its role in the ongoing conflict. As they approach their destination, they encounter powerful enemies and uncover secrets about the origins of the Nirvana and the true nature of the war between Taraak and Mejere. The OVA delves deeper into the themes of unity and cooperation, emphasizing the importance of overcoming prejudice and working together to achieve a common goal. The narrative also explores the personal growth of the characters, particularly Hibiki and Dita, as they confront their fears and insecurities.

The OVA maintains the blend of action, humor, and drama that defined the original series, while providing a satisfying conclusion to the overarching story. It ties up loose ends and offers closure for the characters, making it an essential addition for fans of the "Vandread" franchise. The story’s focus on character development and its exploration of societal themes remain central, ensuring that the OVA resonates with viewers who appreciated the original series’ narrative depth.