Hyo-jeong, a popular internet broadcaster, climbs a mountain alone to go camping, where she is caught by two suspicious-looking people. Hyo-geun, who looks like a mountain beast, obeys her mistress, Mi-ri, and acts like her limbs, and she watches over Hyo-jeong and her path. Hyo-jeong makes a proposal to Hyo-geun, who has innocent eyes unlike Mi-ri, who is like a time bomb. Will she be able to escape?