A retrograde who protects the masses with his life, an extraordinary and heart-wrenching love story. Mu Suixin (played by Yuan Wenkang), a musician who is frustrated in both career and love, drives to Yunnan and meets single mother Peng Peng (played by Wang Xi). The two gradually warm up their relationship, discover the light in each other, and touch the deepest secret wounds in their hearts. Peng Peng's knot about Sun Yutong (played by Deng Chao) that he can't get out of deep in his heart is also slowly untied...