After receiving an attractive job offer, Olya didn’t expect to end up in a house full of secrets and mysteries. After her arrival at the mansion, strange things began to happen: a ghost asked for help, and then prophetic dreams about danger started. Olya tried to find out about the house and its owners, but it turned out that neither the Countess Dubois nor the mansion itself officially exist. Now the girl must unravel the terrifying secret of Dubois County while being in mortal danger.