Tae Yang returns from America after the heartbreaking news of his only sister’s death. But just two days after the funeral, he discovers it wasn’t an accident—it was murder. Worse, the cover-up was orchestrated by their own father. After endless fights and no answers, Tae Yang takes matters into his own hands, chasing the prime suspect, Kim So-Hwa. Three years later, he finds her in Seoul. Now, years of rage, obsession, and hatred—where will this path lead?