The storyline has elements of a porn game, with explicit or censored (depending on the version of the game the player is using) image of Mark and another character performing sexual acts being unlocked during each plotline. He also has a pet fish, who he will confide in if he shuts other interactions out of his life one plot concludes with the protagonist being sexually mounted by his pet fish. The basic premise involves the main character, Mark Matthews (although this name is changeable), coming out to his two roommates Penny and Ian before the commencement of his final year of college, and the different men who enter into his life as a result of the choices he makes.
