Synopsis：Heiress Blair discovers her fiancé Ethan is plotting to kill her and flees, only to crash into undercover agent Liam. After a brutal accident, they wake up horrified to find they’ve swapped bodies. To escape danger and protect their covers, they make a wild decision: get married first, then figure out how to switch back. Forced to live together, train each other, and run missions side by side, their bickering partnership slowly turns into sizzling, unexpected chemistry.