The Legend of Zu Season 2 Episode 19

Yu Ying Qi says he will always remain Yu Ying Nan's brother and that she likes Bai Gu Yi. ShuShan is attacked by Sha Yan Hong. Xiao Yue has a vision of Yu Ying Nan dying and hurries to save her. Qi Ling Yun is caught as the mole trying to steal the magic stone. Yu Ying Qi decides to destroy the magic stone while he has the chance. Qi Ling Yun tells Yu Ying Nan that her brother also wants the stone. They find out the magic stone is fake. Bai Gu Yi rescues Qi Ling Yun, knowing that she is a mole from Luoxian Palace. Bai Gu Yi leaves to be with Qi Ling Yun. Sha Yan Hong ends up injuring her own son. Yu Ying Nan follows the traitors and Sha Yan Hong wants Bai Gu Yi to prove his allegiance by killing Yu Ying Nan. (Source: jindreame at MyDramaList)