During the period of the Republic of China, Ding Yun Qi, a talented and kind-hearted man, accidentally discovers the secrets of Kunlun Ruins while investigating his brother's bizarre disappearance. As a result, he gets involved in a conspiracy plan by warlord Luo Yun Song, who resells cultural relics, in an attempt to seize the treasures of Kunlun Ruins.

Hangzhou native Xu Tian's belief in parallel worlds leads him to search for mysterious doppelgänger Zhou Tong with Shi Dian, whose life-changing accident redirects two couples' paths toward healing and transformation.