张铎一直是一位北漂的单身狗，热心的阿姨给她介绍了一个白富美李悦瞳，他们的相亲方式并不是很愉快。就这样他们不欢而散了。李悦瞳的老爸得了重病，他有生之年希望自己的女儿结婚。为了让老爸安心，她又找到了张铎，想让他扮自己的丈夫。张铎答应了，见家长后，李悦瞳的父母对他非常满意，之后李悦瞳提出两人假结婚，这样就可以安抚两边的家长。这样，张铎搬进李悦瞳家里，并和他签订了一份协议。张铎爸妈来到北京后，处处和儿媳作对，李悦瞳的父母替她出气让张铎亲人灰溜溜的跑了。李悦瞳的前男友来找她复合，被张铎父母听到，赶紧催俩人生孩子。假怀孕风波后，李悦瞳的公司出事了，她被降级，张铎陪她度过难关，两人正式结为夫妻

Zhang Duo has always been a single dog in Beidiao. His enthusiastic aunt introduced her to a rich and beautiful Li Yuetong. Not very pleasant. In this way they broke up. Li Yuetong's father was seriously ill, and he hoped that his daughter would get married in his lifetime. In order to reassure her father, she found Zhang Duo again and wanted him to act as her husband. Zhang Duo agreed, and after seeing his parents, Li Yuetong's parents were very satisfied with him, and then Li Yuetong proposed a fake marriage between the two, so as to appease the parents on both sides. In this way, Zhang Duo moved into Li Yuetong's house and signed an agreement with him. After Zhang Duo's parents came to Beijing, they fought against their daughter-in-law everywhere. Li Yuetong's parents vented their anger on her, causing Zhang Duo's relatives to run away in despair. Li Yuetong's ex-boyfriend came to her to get back together, and when Zhang Duo's parents heard about it, they hurriedly urged them to have a baby. After the fake pregnancy turmoil, something happened to Li Yuetong's company, and she was demoted. Zhang Duo accompanied her through the difficulties, and the two officially became husband and wife