秉持着“损友”原则厮混多年(📒)的青(qīng )梅(🍩)竹马卢(🃏)嘉嘉(jiā )(李婷(tíng )婷饰)(🤢)和年孟(🎺)宇(🔧)(刘(🎹)芮麟(🥈)饰)在高中(zhōng )毕业后(🐮)一起去上海(hǎi )读医科大(dà )学(🎏)。年孟(mèng )宇凭(píng )(📼)借自己的(⚫)经济(jì )头脑(👑)和家庭(🗄)关系(xì )开(🕖)始在校创业,财迷卢(lú )(🚉)嘉嘉则为给异地初(chū )恋男友(yǒu )买手(✖)机变身(🚸)年(🖍)孟宇(yǔ )“御用(🤯)会计”顺(shùn )便兼(jiān )职“拾荒”。之后卢(lú )嘉嘉认清(😞)感(gǎn )情决定分手,年(🌊)孟宇却被学校的古典美女孙晓(xiǎo )慧(huì )(🤸)(肖雨饰(👓))吸引。孙晓(⏰)慧作为情场高手玩弄(🚻)年孟宇于股(gǔ )掌,在卢嘉(🎋)嘉(jiā )的帮助下才(cái )认清真(zhēn )相(xiàng )(🌮)。此时,卢嘉嘉的(💔)代课学长姜枫喜欢上(🦇)卢嘉(jiā )嘉,年(🐛)孟宇也渐渐意识到自己对卢(💹)嘉(jiā )嘉的感情。非典的意(yì )外(🈺)到来让三(sān )人(🤥)开启同(tóng )(🔤)居生活(📸),姜(jiāng )枫向卢嘉(jiā )嘉表白却(🔞)被拒绝。年孟(🔙)宇(yǔ )终(👄)于意识到和卢嘉嘉(jiā )多年损(sǔn )友(yǒu )背后的(de )爱情真(zhēn )相