A Zen believes in Buddhism and abides by the Gateless Gates. How does one pass by these Gateless Gates? To find spiritual enlightenment, Monks from all over head to Mountain Oh Dae and perform asceticism to find peace and pass through the gates.

Orphans Woo-cheon and Michael have lived in the orphanage like brothers; they get into a religious conflict that is not resolved. Against the wishes of Michael who becomes a Catholic priest, Woo-cheon becomes a Buddhist monk. One day, Woo-cheon leaves on a 2-day journey with master monk Cheongsong. Woo-cheon gains enlightenment, helped by the kind teaching of Cheongsong, and meets Michael again.