秉(🈯)持(🕕)着“损友”原则(✒)厮混多年的青梅竹马卢嘉嘉(jiā )(李婷婷(🔱)饰)(🤢)和年(nián )孟宇(刘芮(ruì )(🆖)麟(lín )饰(🐉))在(zài )高(🍖)中毕业后一(🥩)起去(qù )(😧)上(🎾)海读医科大学。年孟(mèng )(🏇)宇凭(píng )借自(🚤)己(🖲)的经济头脑(👑)和(hé )家庭关系(xì )(🎡)开始在(👁)校创(chuàng )(💆)业,财(cái )迷(🛹)卢嘉嘉则为给异地初恋男友(yǒu )买手机变(biàn )身年(🖍)孟宇(yǔ )“御用会计(jì )”顺便(biàn )兼(jiān )职(🚢)“拾(shí )荒(huāng )”。之后卢(lú )嘉嘉认清(qīng )感情决定分手,年(nián )孟(㊗)宇(🥎)却被学校的古典(diǎn )美(měi )女孙晓慧(肖雨(yǔ )饰)吸引。孙晓慧作为(⛏)情场(chǎng )高手(shǒu )玩弄年孟宇于股掌,在卢嘉(🎋)嘉的帮助下才认(rèn )清真相。此(cǐ )时(shí ),卢嘉(💝)嘉的代(dài )课(🥊)学长(👊)姜(jiāng )枫喜欢上卢(😊)嘉(🈸)嘉(jiā ),年孟宇也渐渐意(yì )识到自己对卢嘉嘉的(💯)感情。非典(💿)的意(yì )(🐡)外(wài )到来让(🔍)三人开(⏲)启同居(jū )生活,姜(🔷)枫向卢嘉嘉表白却被拒绝。年孟宇终(zhōng )于(🐖)意识到和卢嘉嘉多(duō )年损友(yǒu )背(bèi )后(🍁)的爱情(🕕)真相