A series of murders jolts the tourist town of Lahnenberg out of its cheerful bustle. Visitors are staying away, and a financial catastrophe looms for the local hoteliers. For detectives Moritz Eisner and Stefanie Gschnitzer, a race against time begins: every day, the perpetrator commits a murder—targeting a tourist—that is planned and executed with flawless precision. Is it mere coincidence that all the victims were guests at the Alpenhotel?