A once-glorious life ends in betrayal, and a desperate wish is granted. Waking up in the present, Song Siwoo finds himself thrust into an unfamiliar world seemingly filled with echoes of his past. Whilst he soon discovers that fate still binds him to old friends, bitter enemies, and a beloved lover, nothing is as it seems—especially when reincarnation plays tricks with gender! Can he navigate these renewed connections and unravel the mysteries of his twice upon a time...? (Source: Lezhin Entertainment)