Two talented teenage schoolboys are experimenting at school in order to develop a drug to combat a terminal illness.
| Actor | Role |
|---|---|
 Ma XueyangLiu Minjun | Liu Minjun |
 Wei HaishanHai Shan | Hai Shan |
 Gao WeimanHe Meili | He Meili |
 Lee Kin-YanThe Nun | The Nun |
 Li ShengyeZheng Tai | Zheng Tai |