Murder on the Rhône

In June 1820, a traveler visits Lyon for a wedding, anticipating delightful days along the rivers and culinary delights. However, old memories are rekindled when he encounters a familiar man at a crime scene, allegedly holding a bloody knife. As investigation unfolds, suspicion shifts to the family his daughter is set to marry, leading him to uncover troubling secrets from their past that they desperately want to keep hidden.