Zhou Yue accidentally saves Lu Mingyue, the president of a cultural tourism group, in the mountains. Afterwards, to escape family pressure regarding an arranged marriage, Lu Mingyue asks Zhou Yue to pretend to be her fiancé. Following this, dangerous incidents occur back-to-back at the scenic spots of Lu Mingyue's group projects. Relying on his exceptional mountain rescue skills, Zhou Yue defuses crises time and again, helping Lu Mingyue weather difficulties. The two gradually develop feelings for each other through working side by side. As past events sealed away for three years are uncovered, everyone discovers that this ordinary person Zhou Yue, who had been looked down upon, is actually a legendary figure in the rescue team who is held in high esteem.