The film focuses on Atan, an Aeta from Baytan village in Zambales, who makes a living from traditional farming system kaingin and hunting on the foothills of Mt. Pinatubo. The narrative opens as we follow Atan's fulfillment of his arranged marriage with a fellow Aeta, Ani. He has to accomplish a number of responsibilities which includes changing in appearance, manner of clothing, religious practice, and even the use of different language in order to associate himself with the Unat or "straight-haired ones." On his effort to accommodate himself in a modern society, Atan faces cross-cultural modifications amid changes in the mountain brought about by immense modernity.