While grieving over her late father and dealing with her many teenage frustrations, Yi discovers an infant yeti hiding on the roof of her apartment building. Rather lovable than scary, the creature has escaped from a research laboratory.
Yi and two boys, a neighbour, Jin, and his cousin, Peng, leave their unnamed city, embarking on a trip across China to help their new friend, eponymously named Everest, get back safely home, to Mount Everest, and reunite with his family. They are chased by the rare animals’ collector, Burnish, and his zoologist, Dr. Zara, who are determined to take Everest back to captivity.
Enter the road movie, involving a chase, taking place along the captivating scenic cross-country trip, telling the sweet and endearing story about acceptance and bonding, value of friendship, importance of freedom and power and strength of family.