Struggling songwriter Kun is up against the clock - he's got one shot at a record deal and can't seem to write a decent love song. Could it be because he's never been in love? It all leads to disaster when, hilariously, Kun is the one who winds up experiencing heartbreak. Great for his music, less so for his peace of mind - as, in true Kun style, he has no idea which of the girls it was who stole his heart.

創作歌手「阿坤」是戀愛絕緣體，寫不出有靈魂的情歌，當他得到第一只唱片合約，必須寫出一首感人情歌，此時他身邊有三個不同類型的女生，他會和誰墜入情網呢?

故事講述一位音樂人 KUN 展開偶然一次機會獲得發行唱片機會的合約，但他做不出一首值得一聽的情歌，難道是因為他從來沒有談過戀愛？ Kun然後想也許他需要墜入愛河才能製作一首熱門歌曲。然後，他在與他生命中的所有女人戀愛時碰碰運氣。不幸的是，他繼續因為女人而心碎。當他不知道是哪個女孩偷走了他的心時，情況變得複雜起來。