In the world of East Sockton, Dart finds himself on an unexpected journey. Lost in the wash and separated from his mate, Darla, Dart awakens outside of East Sockton, a region in the sock world where the socks known as the "Lost" live. As Dart navigates a new reality, he forms a bond with an array of characters, each contributing unique skills to a collective effort. Bound together by their shared experience of being lost forever, they form a close-knit bond. Together they face the relentless threat of the "Throwaways", a group led by a leader whose ambitions for world domination begin with the conquest of East Sockton. Will the town of East Sockton be saved by Dart and the "Lost" as they prove that even in a world of lost socks, there is always hope for a pair to be found.