延敏(全智贤 饰)以假身份与一位军官通信。他们采用的是十分古老的飞鸽传书方式,延敏非常乐在其中。事实上,这名军官早已洞悉到了她的谎言,依然与延敏保持联系。通信有5年之久了,两人正准备见面的时候,延敏却没有出现。 难过十分的军官回到了与延敏通讯时居住的小镇,寻找着对方的点滴。期间常常有信鸽给他送来勉励的话语。随后,他在书店里遇到了一名女孩,似曾相识的感觉令他困惑不已。临别之际,他再次来到这间书店,向女孩诉说着自己的失落与伤心。 多年后,他看到了《白色情人节》这本书,才明白了书店女孩的真实身份。A girl named Jung-min writes to a young man named Hyun-jun, who is serving in the army. She lies about her age and claims to be a teacher. As Jung-min turns twenty, a 30-year-old man, who has eyes filled with sadness moves into her village. Every night, he sends letters through a pigeon to a deceased woman he loved dearly. He sends them high up in the sky, knowing that he will never get a reply. Then one day, like magic, he receives a letter. The letters sent through pigeons reveal someone's loneliness and sadness. And the two people meet each other by sheer chance...