With PM2.5 levels off the charts year after year, rivers stinking, extreme weather striking again and again, public health suffering, and environmental companies squeezed out by capital, protagonist Lin Ye unexpectedly awakens the ability to control plant growth and purify pollution. Rising from a grassroots environmental volunteer to the city's guardian, the “Green Core,” he tackles environmental crises while fighting off pressure from vested interests, in a story weaving together environmental protection, personal growth, and redemption.