Qin Feng is reborn back to the famine era. To protect his wife and daughter, he severs ties with his biased original family and hides in an abandoned bunker in Changbai Mountain. Awakening a spiritual spring space, he relies on space supplies and wild mountain skills to overcome the severe cold and famine, hunting and gathering to improve his family's living conditions. By chance, he saves trapped scientific researchers, uses water power to light electric lamps, builds an underground home while helping neighbors, and deals with various external crises, leading his family step by step into a secure and prosperous new life amidst the troubled mountain forests.