Everest. The ultimate climb. Four kids are on a quest to reach the top. But their ascent is not easy. The weather is tough and the competition harsher. Then the unexpected happens, and the climbing contest becomes a life-or-death rescue mission. No one is guaranteed to survive.

Junko is bad at athletics. Really bad. Other students laugh because they think she is small and weak. Then her teacher takes the class on a trip to a mountain. It's bigger than any Junko's ever seen, but she is determined to make it to the top. Ganbatte, her teacher tells her. Do your best. After that first trip, Junko becomes a mountaineer in body and spirit. She climbs snowy mountains, rocky mountains, and even faraway mountains outside of her...