France, XVI century. A very motley society gathers in a provincial hotel. By chance, a merchant, a nobleman, a family of wealthy townspeople and a wandering adventurer are forced to spend the night under the same roof. The owners are not very hospitable, the guests are frowning, and not everyone will survive until the morning. When one of the guests is found dead, suspicion falls on everyone. Adventurer Andre Ermite takes up the investigation. By the end of the day, he will reveal many secrets and stop believing in chance...