The story follows Sui Yuan, a scholar traveling to Beijing to pursue his studies, who accidentally stumbles into the "mandarin duck hot pot" trap set by the carp demon Jiang Xiaoyu and falls in love with her. Centered around the Yangtze River, the story reinterprets hot pot culture and creates a bizarre and colorful world of demons.
| Actor | Role |
|---|---|
 Ariel AnnJiang Xiaoyu | Jiang Xiaoyu |
 Charles LinSui Yuan | Sui Yuan |
 Li ChengxiDongfang Xingyun | Dongfang Xingyun |
 Norman Tsui Siu-KeungZhuge Yan | Zhuge Yan |
 Tong XiaomeiYang Liuqing | Yang Liuqing |
 Hou JunjieHeng Gongyu | Heng Gongyu |
 Shi ZhenlongXiao Qian | Xiao Qian |
 Ma HongleiAh Kun | Ah Kun |
| WWu BinDongfang Xiao | Dongfang Xiao |