Search engine optimization Yi-Gang is the most effective ranger at Jiri Mountain National Park. She knows practically every little thing concerning the area, including where to climb the hill. Kang Hyun-Jo is a newbie ranger at Jiri Hill National Forest. He graduated from the military college and also was as soon as an army captain. He has a key that he can not inform anyone about. These 2 individuals become partners and also they function to save people around Jiri Hill National Forest.