Saki Inafune, niece to legendary game developer Keiji Inafune, is attending the grand opening of her uncle's new theme park when the villain Count Hogstein blows up the Ferris wheel, takes the park management hostage, and declares a deadly series of games. To save her uncle, Saki volunteers as a participant — and finds herself in a life-or-death situation with a cast of eligible bachelors, needing every bit of her wit and determination to get everyone out alive.