Dress your detective hat. Your help is urgently needed by a private investigator, Charles. He had a wealthy client, a representative of the famous rich family Davis. Butler was killed in their mansion. He served in the house for many years and was almost a member of the family. Everyone is depressed by this incident, and the police cannot find the killer. Therefore, it was decided to contact the private office, and our hero is known for high-profile investigations and disclosures. Go to the mansion and inspect it, simultaneously collecting evidence, both hidden and obvious in Betrayed Secret.