In the serene landscape of Norway's coast, Siri Brodal, a celebrated chef and her novelist husband Jon Dreyer, encounter the stark realities of life within the walls of their summer mansion. Bound by a marriage woven with secrets and a complex relationship with their elder daughter, Alma, the couple's world is shaken when Milla, their nanny, vanishes on a stormy night. The discovery of Milla's remains ignites a harrowing quest for truth, as those connected to her are consumed by guilt and the perpetual question of what could have been done to avert the tragedy. 'The Cold Song' is a haunting exploration of the intricate stories we weave to mask our pains and the relentless pursuit of identity and redemption within a family's dynamic.