Step into 19th-century London during a dazzling technological revolution. As Lady Lucy of the Lindere family, you discover a gruesome murder in your estate. The body found in a pool of blood belongs to Mary, a maid who had grown close to you over the years. Shocked by her sudden death, Lucy, accompanied by her loyal butler, Charlie, sets out to find the culprit. Joining them is Detective Aaron, dedicated to solving the case, and Professor Harvey, who is inadvertently drawn into the mystery. Together, they edge closer to uncovering the identity of the murderer, unaware of the merciless truth that lies ahead.