Hsiao-chi does everything so quickly that she's always one step ahead of others. She works in the post office and a bus driver comes to post a letter every day. Hsiao-chi is turning thirty soon and longs for love. Finally, on the eve of Valentine's Day, a hot guy asks her out. But to her astonishment, she wakes up the next morning and finds that the Valentine's Day has mysteriously passed.. 陈玉勋官方回答整理。一天。《消失的情人節》：一齣佯裝愛情喜劇的悲劇。多出来的一天是怎么来的？。《消失的情人节》比起“我爱你”，更可怕的是“我忘了你”。你要好好爱自己，因为有人爱着你。从消失的说到情人节。我看《消失的情人节》。你怎么会那么傻啦~。 公车司机阿泰（刘冠廷/饰），是一个动作慢吞吞、连手表的时间、地震的感应都比别人慢的奇葩。他每天都会去邮局，找柜员杨晓淇（李霈瑜/饰）寄一封不知道给谁的平信。柜员杨晓淇和阿泰完全相反，是个凡事抢拍的超级急性子，唯独感情生活毫无进展，年近三十还是母胎单身。情人节前夕，杨晓淇被天菜阳光男刘老师（周群达Duncan/饰）搭讪，终于情窦初开的晓淇和刘老师天雷勾动地火；想不到一觉醒来，刘老师再无音讯、而且情人节居然已经过了？！每天来寄信的阿泰也再也没出现过...毫无记忆的杨晓淇，开始了一趟寻找真相的奇幻旅程...
