What is the strange bond between Luca Treves, a famous chef and spice connoisseur, and Andreas Dürren Fischer, renowned restorer of Flemish paintings? Andreas will bring Luca on a road trip across Germany's dense forests and Austria's mountains during which the restorer will uncover piece by piece unspeakable secrets, forcing the chef to face his ghosts and make appalling choices. But there is a man that follows them at a distance: a detective who has worked for years on an international terrifying cold case. Will he be able to find the answers he's looking for and save Luca from falling into this dangerous private hell?