The story beginnings with a young man visiting a village in Burma. One night, a beautiful woman comes into his bedroom and attempts to seduce him. She suddenly leaves, frighten by the sounds of screams coming from outside. The next day, the young man asks Tip, Ni Han's right hand man, about the screams. Tip then tells him the story of Yupadee and Sangmong, Ni Han's former wife and nephew.

Sangmong's parents died when he was very young. He was raised by Ni Han, who loved him as a son. Sangmong received high education and returned home when he graduated. He was a conservative man with traditional values. His days consisted of reading books and working for his uncle.He had a very little social life and doesn't appear interested in woman. He is completely different from Ni Han who is a womanizer. Wanting to make Sangmong into a man, Ni Han has Tip take Sangmong to a brothel for him to learn and enjoy carnal pleasures. Although the woman offered to Sangmong was beautiful, he turns away from her and leaves. Later, Ni Han and Tip asks him why he didn't have sex with her. He replies that he wants to wait until marriage. Ni Han respects his decision and promises to find him a proper wife for him to settle down with.

While attending an international sport club in Bangkok, Ni Han meets and meets Yupadee, a widow. He falls for her charms and modern ideas and marries her. When he brings her home to met everyone in the village, Yupadee shows an instant liking of Sangmong. The two become close friends, which Ni Han encourages. He believes Yupadee will help Sangmong break out of his shell and become more social.

Yupadee sends Sangmong mixed signals by being affection on moment and cold the next. She tells a little bit about her deceased first husband and past. Sangmong develops an infatuation with Yupadee, which grows stronger after she nurses him back to health from a fever. Ni Han must leave on a business trip and decides to take Yupadee with him, but she fakes a pregnancy in order to stay behind and be alone with Sangmong.

With Ni Han away, the two consummate their affair and sneak away to have sex. Many of the servants and Tip know about their relationship but remain quite, even when Ni Han returned. One servant bravely tells Ni Han about the affair, which he refuse to believe. He finally learns about then when he secretly catches the two in Sangmong's bed, proclaiming their love for one another until eternity. The next day he reveals that he knows about then. He gives Yupadee to Sangmong, chaining their wrist together so they can stay together until eternity and sentence them to live in a small cabin in the woods. The two take his punishment as a joke and enjoy their time spent together. Not too long they grow tired of each other and begin to resent one another. They ask Ni Han for forgiveness and to release them. He offer's them a gun as his only answer. Refusing to kill himself or Yupadee, Sangmong attempts to runaway one a ferry that comes to the village every few months. To avoid suspicion, he tries to cut their chain with an axe. Yupadee stops him, asking if he would leave her if the chain ever breaks. When Sangmong doesn't answer her, she refuse to allow him to break the chain and Ni Han's men find them. They are taken back to the cabin.

Sangmong takes the gun and offers to shoot himself to release Yupadee, who claims she is pregnant. Yupadee steals the gun from him and shoots herself instead. Sangmong loeses conscious afterwards. He awakens to find her rotting corpse and tries to run but is still chained to her. A servant enters the cabin and chops Yupadee's hand off, freeing Sangmong. Sangmong becomes mad with grief and losses his sanity. Ni Han takes Sangmong back when he sees his condition. Through the years, Sangmong has roamed the village, screaming in agony like a wild madman.

Throughout the story, the young man in the beginning has sexual encounters with three beautiful woman in the night. Tip later tells him that the tree woman are actually Ni Hna's woman. Frighten, the young man hurries to pack up his belongings. The next day, the young man bravely goes to see Ni Han, who is surrounded by the three woman and chains hanging on a column. Ni Han greets him and casually comments that he reminds him of his nephew much to the young man's dismay. Before he leaves, the young man encounters Sangmong, who's gives him a book. The young man thanks him before riding his horse and leaving.