"Graduation marks the end of one journey and the beginning of another. For Mia, Alex, Jake, Danny, and Sarah, a close-knit group of friends from diverse academic backgrounds, it signifies the start of their most thrilling adventure yet - a last hurrah before stepping into the real world. When Sarah discovers a too-good-to-pass-up deal on booking.com, the friends decide to spend five days and four nights in an ancient, secluded castle. Their plans for a relaxing post-graduation vacation take a shocking turn when they realize they've walked into a deadly survival game. They are not alone. Four other teams are trapped with them, the internet is cut off, and escape from the island becomes the ultimate prize. The friends must pool their unique skills, solve the castle's mysteries, and outwit their competitors, all while trying to keep their sense of humour alive in this unexpected blend of horror and comedy. This suspenseful tale explores the depths of friendship, the exhilaration of danger, and the power of resilience in the face of terrifying odds."

Main characters:

· Mia: The narrator and peacekeeper of the group. A psychology major with a knack for understanding people and a keen eye for detail. She is compassionate, and intuitive, and has a quiet strength that emerges in tough situations.

· Alex: The outgoing and charismatic business major. Known for his quick wit and negotiating skills, Alex is the group's social glue. His leadership abilities and strategic mindset become crucial in the high-stakes game they find themselves in.

· Jacob: The introspective and nature-loving geography major. Jake is thoughtful, resourceful, and has an innate ability to navigate and read natural landscapes. His understanding of nature proves invaluable on the island.

· Nathan: The tech-obsessed computer science major. Despite his sometimes-nerdy demeanour, Danny is creative and quick-thinking, especially in problem-solving. The lack of internet might hamper his technological prowess, but his analytical skills come in handy.

· Sarah: The charismatic and history-savvy art history major. She's the one who lands the group in this situation with her castle deal, but her knowledge of history, arts, and architecture helps them navigate the mysteries of the ancient castle.