Thousands of years ago, White Snake and Xu Xian were in love, but they were torn apart by Fa Hai. Thousands of years later, White Snake transformed into Bai Su and pursued love persistently. Xu Xian was reincarnated as Xu Wenxuan, the second generation of the romantic and wealthy, and he was surrounded by many warblers. Bai Su's appearance made his heart ripple. However, Xu Wenxuan's parents beat him hard and wanted him to marry the wealthy daughter Lin Wantang. Xu Wenxuan's second uncle Xu Mingyuan and cousin Xu Wenhao also came to disrupt the situation. Xu Mingyuan was actually the reincarnation of Fahai, bent on destroying Bai Su and Xu Wenxuan. In Bai Sukai's Su Wentang, Xiao Qing forms a funny partner with IT man Zhang Yutang. Can Bai Su continue his thousand-year love in this complex modern situation?