In the fading industrial town of Millvale, Pennsylvania, radio repairman Hank Thompson discovers an old Soviet shortwave set that begins broadcasting his own voice—urging him to uncover the truth about a deadly 2009 mill fire that claimed his best friend Bill’s life. What starts as impossible echoes from the past reveals a corporate cover-up, arson, and buried secrets. With help from his estranged daughter Emily and loyal friend Earl, Hank confronts long-held guilt and grief. As the signal fades for the final time, father and daughter find healing, justice, and a quiet goodbye on the river that carries old ghosts away.