[Body Swap + Two Powerful Leads + Younger Man]
[Enthusiastic puppy-like younger brother Bai Xi vs. tsundere “proper” older brother Wei Xiu]
When Bai Lang, the top mercenary on Luo Jia Island, tries to steal the files on the 523 bombing, he catches the attention of Wei Xiu from Country A's Security Department.
As one runs and the other gives chase, a bracelet accidentally causes them to swap bodies!
And so the wheel of fate begins to turn
What secrets are hidden in the files on the 523 bombing?
And why did they swap bodies?
As the two join forces, a research project from the International Medical Department 15 years ago comes to light.
At last, all the conspiracies fall into place.
