Synopsis: Granny

The world of Jung Sookja revolves around Gwon Yonghee, but her life crashes when he goes into a coma. Despite ample evidence, the infamous Black Star Mob is exonerated from the offense. Two individuals come forward to teach Mrs. Jung the required expertise to avenge her grandson and hold the mob accountable. Though hesitant, she consents and starts a pursuit, tracing each person accountable for the attack.