Set during the 14th year of Chenghua Emperor's reign, Tang Fan, a sixth rank official and Sui Zhou, an embroidered uniform guard, join hands to crush a conspiracy to maintain peace and order for the people.

Xiao Changqing, Sun Qiancheng, and Chen Xincheng worked hard all their lives. After retirement, they finally got together and co-founded a warm retirement community. In the community, they solved problems that elderly people faced, including their own.

The suicide of her best friend, Cheng Ru Ying, ripples through the lives of four mothers – Fang Yuan, Jin Lu, You Xiao Zhu and Ding Mu Mu – as they search for the truth about her suicide. This accident shatters the perfect life of full-time housewife Fang Yuan. When Jin Lu, a non-maritalist curator, is about to realize her career dream, she accidentally gets pregnant and the father of her baby is her temporary boyfriend. The four mothers bravely face up to the twists and turns and search for their initial dreams, and at the same time, they work together to reveal the truth about Cheng Ru Ying's death and to do justice to the dead.

左展鹏（毛毅 饰）是一位前途无量的小说家，和妻子张可欣（李依伊 饰）刚刚结婚没多久，两人正享受着新婚燕尔的甜蜜和温存。然而，不幸发生了，在一场车祸中，左展鹏丢掉了性命，这让张可欣陷入了痛苦和崩溃之中。事情过去没多久，张可欣便发现，一些科学无法解释的事件接二连三的在她的身边发生了，种种的蛛丝马迹都在暗示着，左展鹏依然还在人世。 和好闺蜜珊珊（田苏灏 饰）一起，张可欣来到了阴森可怖的孤岛之上寻找丈夫的下落，等待着她们的除了未卜的前程外，还有各种各样的未解之谜。让张可欣没有想到的是，随着调查的深入，她发现，此刻发生的一切，和珊珊扑朔迷离的身世有着千丝万缕的关联。