In the grasslands of Central Asia, a brother and sister, Kai and Shamui are running through a snow-covered mountain and being chased by wolves. Suddenly, they get swept away by a massive avalanche and only Kai gets rescued by their mother and the tribe. Shamui is lost in the icy lake of the notorious Snow Queen, Hattan.
Unfortunately the movie Kai is not yet available on HBO Max.
| Directing | Lee Sung-gang | Director |
| Production | Lee Dong-ha | Producer |
| Production | Yeon Sang-ho | Producer |
| Editing | Lee Yeon-jeong | Editor |
| Sound | Kim Dong-wook | Original Music Composer |
| Writing | Ryu Yong-jae | Writer |
