When a sudden orca attack tears Lumi away from her closest companion, the young Emperor penguin is forced to grow up beneath a sky heavy with silence and longing. In a frozen world shaped by tradition, ancestral memory, and the constant demands of survival, Lumi learns to lead with both strength and heart-never forgetting the friend she lost to the sea.Far from home, Utelias survives against impossible odds, forging unexpected bonds and learning the deeper rhythms of the ice. As seasons pass, fate begins to draw him back toward Lumi-but the world they knew has changed. Old songs stir in the wind, the elders speak of echoes beneath the ice, and a forgotten truth begins to surface.As their paths circle closer, Lumi and Utelias must face what was lost, what was hidden, and what still waits in the deep.