The film is based on Um Hong-gil's real life, primarily focusing on his mentorship of two other climbers who later died during an ascent.

During a climb up Kangchenjunga, a mountaineer named Um Hong-gil (Hwang Jung-min) saves the life of Park Moo-taek (Jung Woo) and his friend Park Jeong-Bok (Kim In-kwon), in the aftermath he warned them never to climb mountains again.

He refused to accept them but they would not give up, he had no choice but to say yes to their request to join in the crew's next adventure.

Mountaineer Um Hong-gil and his expedition team go to the Himalayas to find the body of Park Moo-taek.

[4] Justin Lowe of The Hollywood Reporter called the film "a tepidly paced adventure tale.