Female architect born a tendon Lin smiled, because adhere to the principle of stumble in career and marriage, divorce, unemployment, take care of mother, raising a sickly son, life is hard. Married Cai Chunni and Pan Zhizhi is a successful forest smile grew up with friends, two people could not understand each other, but because Lin smiled in harmonic between the two, to maintain a friendship as strong as iron. ". And architects of the time of the meeting, so that the cause of the cause of Lin smiled, love the earth shaking changes. But Pan Zhizhi also fell in love with time, although the time chose Lin smiled, but Pan Zhizhi told Lin smiled his unexpected and time had one edge, now secretly. Lin smiled in the friendship and love between the dilemma. The surface of desultory Cai Chunni, behind the scenes but silently endure mother-in-law difficulties and stepdaughter of resentment, love with the arrival of Huang Shaogu, revealing a huge secret buried Jiashen Cai, her family, marriage, friendship and challenges. Three efforts to seek new women, respectively, ushered in an emotional challenge.

天生一根筋的女建筑师林笑笑，因为坚持原则，在事业和婚姻中走得跌跌撞撞，失业离婚后，上照顾母亲，下抚养多病的儿子，生活艰难。嫁入豪门的蔡春妮和事业有成的潘芝芝是林笑笑一起长大的死党，两人彼此看不惯，却因为林笑笑在两人中间的调和，维持着“固若金汤”的友谊。和建筑师时光的相遇，让林笑笑的事业、爱情发生翻天覆地的变化。不料潘芝芝却也同时爱上了时光，尽管时光选择了林笑笑，但潘芝芝告诉林笑笑自己意外与时光有过一夕之缘，如今已经珠胎暗结。知情后林笑笑在友谊与爱情间进退两难。表面上衣食无忧的蔡春妮，风光背后却默默忍受婆婆的刁难和继女的怨恨，随着初恋黄绍谷的到来，揭出蔡家深埋的巨大秘密，她的家庭、婚姻、友谊也因此面临重大的考验。三个努力寻求新生的女人，分别迎来了一场情感的挑战。