Whodunnit?

The patriarch of one of the wealthiest families in the country is found dead in the bedroom of his mansion. Every member of the entire family is a suspect!As each of their secrets is revealed and dark pasts come to light, the chief inspector is determined to find the killer. And on the day of the murder, a maid looking to start a new life began her first day on the job, but she holds a secret of her own.