เปื้อนยิ้ม

After his father disappears in the Mekong River, Tawan, a devout atheist, must lead the search. While villagers demand he perform a sacred ritual to appease the mythical Naga.

Khian, Pim and Karn, young rebellious students, work together to make a protest to uncover the corruption in their school by folding hundreds of paper cranes. But as they tried to unfold the truth, the trio are threatened by the shadowy powers.