White returns to Thailand after years abroad to find his twin Black in a coma. Disguising himself as Black, he seeks to uncover the truth behind the betrayal.

An office worker, Lu Ming, and a high school student, Deng Yu, look exactly alike and cross paths by chance, intertwining their fates. As they navigate each other’s worlds, they gradually learn to understand and heal one another, growing closer until they become an inseparable part of each other’s lives.