My Bodyguard is the Death Lord!

Three years ago, Shawn went abroad for a special mission and became a mercenary legend. Returning home, he investigates Southpeak Club and serves as boss lady Yvonne's bodyguard. Amidst clashes with Southpeak Club, they grow close. He foils the Club's plot and protects national assets, but can he finally get together with Yvonne?