In an ancient manor full of mysterious legends, creepy cries can be heard every full moon night. The young and brave detective Amy received an invitation from a mysterious letter and resolutely stepped into this terrifying place to investigate. The manor is eerie and weird, with a putrid smell everywhere. From the blood-stained dress to the sudden appearance of a pale woman, from the weird bird song to the heavy footsteps, from the hand stretched out in the darkness to the low whimpering, a series of terrifying events followed. Amy struggled to remain calm in the midst of extreme fear, trying to uncover the terrible secrets hidden behind the manor. However, each exploration made her fall deeper into a whirlpool of fear. Can she find the truth in this endless horror and successfully escape, or will she be swallowed by darkness forever?