When adventure blogger Shen Bing accidentally heard about a dusty tragic love on the Sichuan-Tibet line, her persistent pursuit uncovered a life-and-death love that spanned twenty years - Qin Ke, a talented physicist, became a monk in an ancient temple to protect his lover Jiao Yuting who died in Tongmai. He spent half his life in loneliness to interpret the eternal vow of "two people for life."