Concert violinist Edward Kellenberger is murdered by car, but his corpse left in his own car. That night, at the closing event for Rosenheim Academy's string music masterclass, he made a scene with detective Sebastian König, who has an alibi, unlike his lover cellist Agnes Lüders, whom Edward flirted with. Prime suspect Benedikt Voglbaur, lost his fiancee Josepha to womanizer Kellenberger . Rival violinist Katharina Weindl benefits as next in line to join a prestigious orchestra.
—KGF Vissers