Verrat auf Arras de Mott

From the back of the book (translated):
On your journey through the grim Aventurien winter an old monastery invites you to stay. With the monks of the Praios Order you find friendly accommodation, a strengthening meal and a warm sleeping place. Where would be a better resting place than with the pious, god-fearing men...?
When you notice that the venerable monastery walls of Arras hold dark secrets, it is nearly too late: You are pulled in into a maelstrom of scary events and dark intrigues. Soon you must discover that praying alone will not help you! No, if you are fond of your life only one choice remains for you: Solve the secret, reveal the betrayal on Arras de Mott...