Summary
A mysterious virus begins to spread. Those infected suffer high fevers that eventually lead to the failure of all their organs. Only the Alliance government possesses a special drug that can prolong an infected person’s life, but it cannot cure them.
Lin Ye, an ace mercenary, accepts a secret mission from the Alliance government in order to obtain the medicine for the captain who raised him. He is assigned to stay close to Lars Valenti, the youngest son of the Valenti family and its new heir, to investigate the source of the virus as well as the secrets hidden within the Valenti family.
What kind of sparks will fly when a free-spirited mercenary who walks the line between war and death crosses paths with a cold, arrogant young master suffering from a mental illness under the pressure of his family?
Unrestrained undercover bodyguard × Madly possessive young master