Water conservancy engineer Wu Shengquan was reborn in 1992 and gave up the high salary in Shenzhen to join the grassroots water conservancy bureau. He relied on his professional skills to resolve the flood crisis, but was involved in a corruption whirlpool. With the help of reporter Shen Qinglan, he exposed the shady story of immigration compensation and promoted an audit storm across the province. From a technician to being in charge, he led the construction of smart cities, solved the housing dilemma, and balanced development and people's livelihood. In the face of capital hunting and political games, he stuck to the bottom line and led reforms with innovative concepts such as the "digital twin watershed". He eventually became a core figure in the national decision-making level and wrote a chapter in governance in the new era.