The Strange Snail

Tian Cui, a woman who cultivated into humanity as a river snail, is brought home by Zhang Yong and eventually marries him. Afterward, Zhang Yong gradually grows weaker. Upon learning from an old Taoist that Tian Cui is a malevolent spirit, he seeks various opportunities to test her, uncovers her secret, and kills her. It turns out everything was just a dream.