一位大学四年级学生为没有遇到同龄的有绅士风度男生而感到沮丧,她放弃了为爱和人约会而改为和年长的男人约会,以换取礼物。。神经外科副教授顾云峥在拉卡亚执行医疗援助任务时,偶遇弃医从商的“逃兵”苏为安,二人从欢喜冤家到互生情愫,他逐渐发现她所有的反常行为源于她携带亨廷顿舞蹈症致病基因。爱人让他对全国三万名亨廷顿患者及家属无药可治的悲伤绝望感同身受,顾云峥决定放弃大好前程,毕生投入到治愈这种罕见病的研究中去,与爱人并肩在黑暗中凿出一道光。。A mysterious man (Malcolm McDowell) comes to meet a woman living in a house in the woods. Who are they and why are their lives meant to cross? What kind of fate is in store for them?。