Her Bodyguard Is a Top Assassin— Episode 4

After retiring, world-class assassin Samson struggles to find a job. A chance encounter with Ruby, beautiful president of the Shen Group, lands him a role as her personal bodyguard. Ruby, targeted for possessing the Loong Chip technology, faces constant assassination attempts. Samson foils each attack, and as they spend time together, love blossoms. In the end, the killer wins the lady's heart.