大龄剩女、外企"白骨精"苏蔓在一次相亲中遇见了自己暗恋多年的清华才子宋翊。为了接近宋翊，苏蔓不惜放弃自己的大好前程，并篡改了简历，来到MG的格子间工作。与苏蔓有过摩擦的陆励成是她在MG的顶头上司，并且非常清楚她篡改简历的事情。苏蔓把他看成眼中钉，他却在两人一点一滴的交往中对苏蔓渐生情愫。宋翊不远万里地奔赴美国与苏蔓共度平安夜，两人默许了爱情。可当苏蔓出差回国时，发现一切都变了，死党麻辣烫不再是她所认识的那个无牵无挂的女孩儿，而宋翊竟成了麻辣烫的男朋友......(Su Man, a leftover women and white-collar employee in a foreign company, meets Song Yi, a gifted student from Tsinghua University who she has had a crush on for many years, in a blind date.To makes a pass at Song Yi, Su Man does not hesitate to give up her good future, and tampers with her own resume, and thus succeeds in working at the cubicle of MG.Lu Liming, who has had a grudge against Su Man, is her supervisor at MG and is well aware of her tampering with the resume.Su Man regards him as a thorn in her side, but Lu gradually falls in love with her during their daily interactions.Song Yi travels thousands of miles to the United States to spend Christmas Eve with Su Man, and the two acquiesce in love.However, when Su Man goes back to China after a business trip, she finds that everything has changed. Her sworn follower Malatang is no longer that carefree girl she knew before, and Song Yi becomes Malatang's boyfriend...)