Shaggi is a small, sleepy town nestled in the mountains. It's known for its quaint charm and friendly residents. However, there's always been a mysterious aura surrounding the town, especially when night falls.

One stormy night, a group of adventurous kids - Sam, Lily, and Ben - decide to explore an old, abandoned mansion rumored to be haunted. They choose midnight for their expedition to add to the thrill. As they sneak into the mansion, strange noises and eerie shadows keep them on edge.

While exploring the mansion, they stumble upon a hidden room in the attic. Inside, they find an ancient chest containing mysterious artifacts, including old journals, maps, and cryptic symbols.

Intrigued by their findings, the kids embark on a quest to unravel the secrets of the mansion and its previous inhabitants. They decipher clues from the journals and maps, leading them deeper into the town's history and uncovering long-forgotten secrets.

Along the way, the kids face various challenges and obstacles, including dodging suspicious characters who seem determined to stop them from uncovering the truth. They must use their wits and teamwork to overcome these obstacles.