When Han suddenly vanishes, the members of Stray Kids feel only a strange emptiness a warmth that lingers but a face they can no longer remember. Forgotten by the world, Han drifts in a liminal space between existence and oblivion, a blurred memory struggling to hold onto life. As shadows of a mysterious, faceless force threaten to erase him completely, his friends must confront the impossible, following the bond that ties them across realities to pull him back. A story of loss, memory, and the unbreakable ties of family where the brightest lights can't be dimmed, no matter how deep the darkness.