秉持着“损(👷)友”原则(zé )厮混(hún )(🥇)多年(📒)的青(🐌)梅竹马(mǎ )(🌰)卢嘉(🕋)嘉(李婷婷饰)和年孟(🎺)宇(刘芮(🆖)麟(🥈)饰(shì ))在高(🍖)中毕业后一起去上海读(dú )(🌫)医科(kē )大(🎲)学。年孟(mèng )宇凭借(jiè )自己(jǐ )的经(jīng )济头(tóu )脑和家庭(tíng )关(🛍)系开始在(👁)校创业,财迷卢(lú )(🚉)嘉嘉(jiā )则为给异地(🎿)初恋男友买(mǎi )(🍮)手机(jī )变身年孟宇(🐶)“御用会计”顺便兼职“拾荒”。之后卢嘉嘉认(rèn )清感情决定分手,年孟(mèng )(㊗)宇(🥎)却被学校的古(gǔ )典(diǎn )美女孙晓慧(肖雨(yǔ )(㊙)饰)吸引。孙晓慧作为(⛏)情场(chǎng )高手(🧤)玩(🔔)弄年孟宇于股(gǔ )掌(zhǎng ),在卢嘉(🎋)嘉的帮助下才(cái )认(🤖)清真相。此时,卢嘉嘉的代(dài )(🏉)课学长(zhǎng )姜枫喜欢上卢(lú )嘉嘉,年孟宇也(🐨)渐(jiàn )(👪)渐意识(shí )到自(zì )己(jǐ )对(🚶)卢嘉(jiā )嘉的感情。非典的意外到来让三人(rén )开(⏲)启同居(jū )生(shēng )活(📸),姜(jiāng )枫向卢(💸)嘉嘉表白却被拒(🚲)绝。年孟(mèng )宇终于意(yì )识(🖍)到(🔫)和(💣)卢嘉嘉(jiā )多(📞)年损友背后(hòu )的爱情真(zhēn )(😳)相