Zhou Shen Shen loses her voice after a bus accident and gets taken to the hospital by her friend Zuo Jun(who blames himself for making her mute) there she meets Qi Wei Yi a boy who leg got broken by jealous peers. He finds a letter she had put in a bomb shelter wall. They leave each other letters and promise to come back in the Christmas of 2006. They become good friends and fall in love but Wei Yi is unaware that Shen Shen is mute. When he has to leave before her, He gives her his phone number and tells her to call him. Years pass and in the year of 2006 they met again but is unaware of who each other is until Wei Yi finds out he has liver cancer and is dying So he decides to go back to the hospital he went to as a child and he finds out that Shen Shen is his childhood love but not wanting to hurt her when he dies he hides his identity and eventually pushes her away. more. 爱你，所以想好好活着。最后没有相伴下去，依然惦记着你。下辈子的爱。破解笔记之十八。破解笔记之四。破解笔记之三。破解笔记之二。因为懂得，所以慈悲。。深情。原来还是害怕遗忘。 赵深深（朴恩惠 Eun-hye Park 饰）因为小时候的车祸失去了声音，妈妈也因为疲劳过度而遭遇车祸身亡，痛苦异常的深深此时偶然和因为骨折而在医院养伤的戚伟易（周渝民 饰）结成了好朋友。因为伟易的突然转院，两人被迫分离，而且没想到一别就是十三年。变成孤儿的深深在邻居左家人一家人的帮助和抚养下长大成人，而与她青梅竹马的左钧（许志安 饰）更是对深深照顾的无微不至。命运机缘巧合安排了深深与儿时的玩伴伟易重逢，可此时伟易却已是管理着一家大型公司，和未婚妻订婚的天之骄子，而深深也对这个冷漠自大的男生印象极差。可出人意料的是，未能认出对方的二人却在一系列不间断的误会与磨合中互生好感。然而此时伟易却查出了身患肝癌，生命仅剩下了三个月，更让伟易痛苦的是，他发现原来深深就是自己小时候一直喜欢的那个女孩…
