The male and female leads meet, grow close, and fall in love in the real world. The male lead, Situ Feng, suddenly leaves, and the female lead, Xia Tian, is devastated. She has always loved extreme sports, and despite the danger, she goes skydiving on a stormy, overcast day. An accident sends her transmigrating to an alternate era. In this world, legends tell of different races with extraordinary abilities. When Xia Tian wakes, someone tells her that she belongs in this world, and that she may be a legendary mermaid. She has a mission to fulfill here, too!
