The suicide of her best friend, Cheng Ruying, ripples through the lives of four mothers – Fang Yuan, Jin Lu, You Xiaozhu and Ding Mumu – 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 Ruying's death and to do justice to the dead....

The years from 1998 to 2015 marked a transformative era in China's forestry landscape. During this time, Gu Changshan adopted Xingjie, the son of his deceased partner. After much hesitation, the Gu family decided to send Xingjie abroad for further education. As the wave of layoffs struck, some young people chose to leave, while those who stayed, led by Gu Changshan, charted a new course of "family ecological forestry" to temporarily address the livelihood crisis. In 2007, as a new turning point approached, the project of relocating migrants from remote mountainous areas began, aiming to protect the environment and improve their quality of life. The 923 Work Team faced the challenge of venturing out again. Xingjie was also brought back to the mountains. After resolving the family crisis, he took on the task of mobilizing the migrants. In doing so, he found his own value and made the decision to stay, shouldering the mission of forestry reform. Against the backdrop of a comprehensive logging restriction in 2014 and 2015, Xingjie responded to the call of "clear waters and green mountains are as valuable as mountains of gold and silver". He, along with his family and more people from the forested areas, embarked on a journey toward a better life....