"The Crimson Rivers" (2019) is a French television series that follows the investigations of police detectives Pierre Niemans and Camille Delaunay as they tackle a series of complex and macabre cases in the French Alps. While dealing with gruesome murders and enigmatic puzzles, they must confront their own haunted pasts and navigate the intricate web of secrets in a remote, eerie landscape. The series is known for its atmospheric cinematography, intricate storytelling, and the dynamic partnership between the two lead investigators, as they unravel a web of dark mysteries and conspiracies.