Nearly eight months after the release of BioShock Infinite, 2K and Irrational Games have released the first campaign DLC for the game. Bioshock Infinite: Burial at Sea part one is now available for PlayStation 3, Xbox 360, and PC.

Players will once again take on the role of Booker DeWitt, though this time they will navigate the underwater city of Rapture. In the noir style, DeWitt is now a private eye who is hired by a sultry, mysterious woman named Elizabeth. In a parallel to the full BioShock Infinite game, DeWitt sets off in search of a girl with many questions still unanswered.

For anyone who’s still unsure about the content, 2K today also released a launch trailer for Burial at Sea. The preview suggests that the add-on will bring back at least some of the characters and extra-creepy elements that made Rapture such a memorable setting: