There are many nations among the stars of the galaxy. Among them is Yueyuan, ranked as the third-largest power, while the royal family's direct line, the Slaergates, is considered the second most reclusive noble house. Fourteen years ago, Su Mu, Empress and Moon Goddess, married Jun Bie, a viscount from an island nation under her jurisdiction. But she left when their twin daughters were seven months old.
The twins foretold by the gods are destined to grow up. How many of those prophecies will come true?
The elder sister, Xing Yu: "I gave up my claim to the throne to search for our father, only to find out he's going to marry someone else? And now a boy who appeared out of nowhere, claiming to be my savior, says he's my father's son. Was our father really such a womanizer?"
The younger sister and heroine, Xing Wei: "She's my sister! Are you asking me to kill my own sister?"
If you want to know what this story is about, just read the side story.
The twin sisters once swore to share their lives and hearts, and to stand by each other in life and death. Separated at the age of five, they meet again and search for a faithless man who turns out to be their father. The elder sister has had everything taken from her. Why does everyone want Xing Wei to kill her? What will become of the fate that seems set in stone? How long will the lovers' promises of forever really last?
Will Xing Yu get her wish and marry Ling Yuxuan? How will she turn down Princess Mansha, who has had a crush on her for ten years?
Will Xing Wei kill her sister Xing Yu out of duty, or will she end up with the so-called uncle?
Will Xing Shi end up with Ling Yuchen, or become a guide dog for fate?