念副学士的Tiffany(陈嘉桓饰)因经济压力初试援交，以为只是个人选择，与道德无关。虽然第一次交易后心裡有点不舒服，但随日子过去，Tiffany渐变得冷漠、无所谓。直至一次招呼一班日本客人后，不快的经历使她决心不干。但最后经不起经理人（朱凤娴饰）诱惑，转而服侍一个长期饭票(廖启智饰)。与长期相处一段时间后，二人滋长出一份微妙感情。同一时间，她认识了一个满有理想的热血青年Rex(周柏豪饰)。一次偶然事件让她决心离开长期，与Rex一起重过新生。正当她以为旧事已过，一切重新开始的时候，一件意想不到的事让她明白 – 她要为自己过去的选择付出代价…

私生女Tiffany(陳嘉桓 飾)自小跟母親(龔慈恩 飾)相依為命。大學成績一向不差,靠做兼職自食其力的她,在好友慫恿下玩上「交友Apps」,最終不敵誘惑,為解決金錢問題,選擇了出賣色相。不料踏出了第一步,卻無法回頭。

由於經濟需要，本科生蒂芙尼開始了有償約會，認為這是個人選擇，與道德無關。雖然一開始她還覺得有些不安，但很快她就​​變得淡然了。在經歷了一次為一群日本客戶服務的不愉快經歷後，她想辭職。但她的經紀人榛果說服她接受了張的長期贊助商。在為張服務的過程中，兩人之間滋生了微妙的感情。另一方面，她遇到了雷克斯，一個正直而熱情的年輕人。一次事件後，她決定離開張，與雷克斯一起開始新的生活。但當她以為自己可以重新開始的時候，意想不到的事情卻發生了，讓她意識到自己必須為自己先前的選擇付出代價…

Due to financial needs, undergraduate Tiffany took up compensated dating, regarding it as a personal choice that has nothing to do with ethics. Though at first, she’s feeling a bit uneasy, but soon she became indifferent. After one unpleasant experience serving a group of Japanese clients, she wanted to quit. But her agent Hazelnut convinced her to take up a long term sponsor Cheung. In the course of serving Cheung, a subtle feeling nourished between the two. On the other hand, she came across Rex, a young guy of integrity and passion. After one incident, she decided to quit Cheung and took up a new life with Rex. But just when she thought she could start over anew, something unexpected turned up making her realized that she had to pay for what she had chosen before...