父母移民后，少女阿荞（杨爱瑾 饰）和婆婆过着相依为命的生活。没有了父母的管束，阿荞肆意的挥洒着浪漫的青春，她翘掉了学校繁杂的课程，成为了整日徘徊在街头的市场推广员。一次偶然中，阿荞遇见了名为阿伟（李灿森 饰）的男孩，很快，两颗年轻的心便越走越近，与此同时，阿荞对浑身上下充满了秘密的阿伟渐渐产生了别样的感情。 　　阿文上有两个姐姐，是家中最小的男孩，因此而养成了有些懦弱的性格。从小时候起，阿文就很向往阿荞张扬的个性，这种向往逐渐转化成为了爱慕，可害羞的阿文没有勇气向阿荞表白，只能每日偷偷跟在阿荞后头，注视着她的一举一动。

Koey believes happiness is like a bottle of coke, it'll soon become tasteless if you don't enjoy it right away. Simon believes happiness is similar to planting trees. You need to water them everyday, and the true satisfaction comes when they blossom. Willy does not believe in happiness at all. Three lives intersect. Three totally different personalities. Three ways of experiencing life and love.