Lin Fan, a university graduate who returns to his hometown, puts down roots in the countryside and remains committed to soil and water conservation. Determined to protect the ecological barrier behind the village, he firmly refuses to give in to the villagers' speculative schemes. In the end, Lin Fan proves his innocence with irrefutable evidence. Putting past grievances aside, he leads the villagers in ecological restoration and the development of medicinal herbs. Upholding ecological boundaries, he ultimately guides the entire village onto the right path to prosperity through respect for nature and practical, down-to-earth hard work.