Secret agent Gary wakes up at home after a strange dream, in which cultists of the "Dark Brotherhood" discuss the plan to enslave the world. However, guided by the fact that he has a vacation, Gary decides to sleep again and only the next morning he contacts Lucy's boss. Having received the assignment, the player together with Gary will have to explore the gloomy castle de la Bourbon, explore approaches to it, visit the parallel world and ultimately defeat the impending ancient evil.