When the white snake Suzhen (Zhao Yazhi) was still a little snake with no magical power, she was caught by an old snake catcher. Fortunately, she was saved by a little shepherd boy. Suzhen vowed in her heart that she must repay this life-saving grace. A thousand years later, the white snake was transformed into a human body. When she went to the human world to repay her gratitude, she met the green snake Xiaoqing (Chen Meiqi), tamed her, and called her sister. After receiving the Bodhisattva's instructions, Suzhen went to the West Lake in Hangzhou and found the little shepherd boy, Xu Xian (Ye Tong), who was now an apprentice in a medicine hall a thousand years later. A generous, virtuous and beautiful woman descended from the sky, which was naturally something that the dull student Xu Xian had never dreamed of. Suzhen, who used clever tricks, made the two of them soon become good friends after they met. Fahai wanted to avenge Bai Suzhen's trick many years ago and took away the golden elixir that could improve his cultivation by 600 years. He held Xu Xian hostage and designed Bai Suzhen to flood Jinshan Mountain, so that she could commit a huge mistake. Therefore, after her son Wenquxing left her body and landed on the ground for a full month, Fahai took her under Leifeng Pagoda to practice meditation to atone for her past sins. Suzhen could no longer escape and was pressed under Leifeng Pagoda. She had to wait until her son won the first place in the imperial examination before she could hope to make a comeback...