Scholar Qin Kun rescued a giant clam shell from a group of mischievous children, unaware that the shell was actually the true form of the clam spirit, Meiniang. At this moment, Qin Kun was targeted by the female demon of the Yin Wind Cave, his life hanging by a thread. To repay his kindness, the clam spirit offered herself to Qin Kun, becoming his wife. Together, they fought the female demon of the Yin Wind Cave time and again. Ultimately, they joined forces with the Taoist priest of the Upper Qing Palace to eliminate the demon. After accomplishing this feat, the clam spirit retired from her duties. Later, Qin Kun passed the imperial examinations and became an official.

罗文（秦汉 饰）和路小雨（林青霞 饰）是就读于同一所大学的校友，因为相似的个性和家庭背景，他们都视彼此为自己命中注定的另一半。火热的感情让罗文和路小雨感到一刻都不能分离，于是，他们决定趁着暑假的档口领证结婚。 这段没有经过深思熟虑的婚姻自然遭到了双方家人的强烈反对，于是，罗文和路小雨决定双双离家，搬出来同住，脱离原生家庭，共同经营属于他们的爱情小屋。可直到此时，这对情侣才发现，想要独立生活并不是那么容易的事情，接二连三的意外给两人之间的感情带来的巨大的考验，而在这背后，是两家人润物细无声的帮助和关怀。