The enigma of room 622

One night in December, a corpse rests on the floor of room 622 of the Palace de Verbier, a luxury hotel located in the Swiss Alps. The police investigation will never be closed and the passage of time will make many people forget what happened. A few years later, at the beginning of summer, the writer JOël Dicker arrives a l the hotel to spend the holidays and recover from a sentimental breakup. Little does she know that she will end up investigating the old crime that hides the room next to her...