The story unfolds in the vast wilderness of Alaska. Doyun, a young teenager with autism, undertakes a remarkable journey from South Korea to the land of the midnight sun to meet his mother for the very first time. As he sets foot on the rugged terrain, Jason Griffin, a brilliant botanist who works alongside his mother, welcomes him. The stunning landscape and the enigmatic charm of the people around him captivate Doyun. Still, his joyous reunion soon turns into a nightmare as a series of gruesome murders terrify the tight-knit community. With the killer on the loose, Doyun and his newfound friends must unravel the dark secrets of the unforgiving wilderness to unmask the identity of the murderer before it's too late.