故事发生在上世纪的80年代。著名的植物学家在一个岛上培育研究植物，他的性格严厉保守，与女儿陈安（李小冉 饰）相依为命。这天，混血女子李明（米兰妮•詹姆帕诺米 Mylène Jampanoï 饰）前来岛上实习，她父母在唐山地震中双双亡故。陈安于李明朝夕相处，二人暗结断背情愫，感情日渐深厚难分。 　　陈安哥哥在西藏当兵，探亲归来，喜欢上了李明，父亲大力撮合婚事。此时陈安与李明已经互许终生，升华为情欲和爱欲交织的感情。为了二人可以相伴终生，李明决定答应这头婚事。然而，哥哥终究发现李明不是处女的秘密，怒不可遏，把李明打伤。李明逃回植物园，这时父亲才觉察到了李明与女儿之间的不寻常关系。一场悲剧正在慢慢上演。 The story happened in the last century of 80s. The famous botanist cultivation of plant in an island, his character is severely conservative, and her daughter Chen An (Li Xiaoran ornaments). One day, half woman Li Ming (Melaine Myl ne Jampano Panuomi Jim her ornaments) to come to the island to practice, both her parents died in the earthquake in Tangshan. Chen Anyu Li Mingzhao Xi along the two dark knot Brokeback sentiment, feeling increasingly profound hard. Chen An brother in Tibet, a soldier, to visit relatives and return, like Li Ming, father to set up marriage. At this time of Chen and Li Ming has promised to life, lust and love sublimation mixed feelings. For two people can accompany for a lifetime, Li Ming decided to agree to this marriage. However, my brother found that Li Ming is not a virgin of the secret, furious, the wounded Li Ming. Li Mingtao back to the botanical garden, when the father was aware of the unusual relationship between Li Ming and her daughter. A tragedy is slowly being staged.