On his sworn brother's wedding day, Lin Zheng struck the groom three times with a cane, publicly exposing his fake identity. As the investigation deepened, a fatal fire from twenty years ago, the tragic death of Chen Mo's sister, the bringing to justice of the real culprit, and the double betrayal of the closest person gradually surfaced. With his own strength, Lin Zheng cleared his deceased friend's name and guarded his legacy, ultimately choosing to use a foundation to continue Chen Mo's unfinished warmth between revenge and kindness.