秉持着(🍅)“损友”原则厮(sī )混(hún )多年(nián )的青梅竹(zhú )马(mǎ )卢(🃏)嘉嘉(李婷婷饰(🕰))和年孟(mèng )宇(yǔ )(刘芮(🆖)麟饰(shì ))(🛤)在高中(zhōng )毕(🏴)业后一起去(qù )上海(hǎi )读(🌫)医科大(dà )学。年(🌗)孟(mèng )宇凭(píng )借自己的经(jīng )济头(tóu )脑和家(🤷)庭关系(🎡)开始在(👁)校创业(✳),财(cái )迷卢嘉嘉则(🐖)为给异(yì )地初(chū )恋男友买手(shǒu )机变身年孟(🚑)宇“御用(🤯)会计”顺便兼(jiān )职(🚢)“拾荒(🧚)”。之后卢(📯)嘉嘉认清感(gǎn )(🖲)情决定分(🦗)手,年孟宇(yǔ )却被学校的古典美女(🏂)孙晓慧(肖(xiāo )雨(yǔ )(㊙)饰)吸(xī )引(yǐn )。孙(🎾)晓慧作为情场高手玩弄年孟宇于(yú )股掌,在卢嘉嘉的帮助(zhù )下才认清真相(xiàng )。此(cǐ )时,卢嘉嘉的代(dài )课学(🍑)长(zhǎng )姜(jiāng )枫喜欢(🐾)上(shàng )卢嘉嘉,年孟宇也(yě )(🐨)渐(jiàn )渐(🥋)意识到自(zì )己(🌼)对(🚶)卢嘉嘉的感情(🔈)。非典的意外(🈺)到来(lái )让三(😙)人开启同居生活,姜枫(👵)向(♌)卢嘉(jiā )嘉表白却被拒(jù )绝。年孟宇(🌱)终于(🐖)意(yì )识(🖍)到和卢嘉嘉多年损友背后的(🔲)爱情(🕕)真(zhēn )相