Postal worker Yang Hsiao-Chi, has always been too fast at everything. She can’t sing or dance in rhythm, she laughs at jokes before everyone does and always misses connections. On Valentine’s Day eve, she finally falls in love with a gentle community folk dance teacher who is totally her type. After she wakes up one day and realizes she missed an entire day of her life—including a monumental date with an exciting new lover—Yang sets off to discover what happened on the day she missed, and what explains her disjointed sense of time. 

楊曉淇無聊的公務員生活，在偶遇天菜舞蹈老師後，內心燃起了一起度過情人節的希望。但一覺醒來，她滿心期待的情人節竟不翼而飛。曉淇因此決心要將消失的這一天找回來！而公車司機阿泰在發現自己比別人多了一天後，決定帶著心儀的對象前往他的秘密基地。在（消失的）這一天裡究竟發生了什麼事呢？