Write a story about a detective who is tasked with solving a mysterious murder case at a secluded mansion in the countryside

Write a story about a detective who is tasked with solving a mysterious murder case at a secluded mansion in the countryside. As the detective delves deeper into the investigation, they uncover a web of secrets and betrayal among the mansion’s wealthy and eccentric residents. Just when they think they have finally solved the case, a shocking plot twist reveals the true culprit behind the murder.