My Bodyguard Is a Secret Healer?!— Episode 73

Ethan Frost, the heir of the Celestial Healers, comes down from the mountain on his master's orders to fulfill his marriage pact with Claire Lynn. Working undercover as a security guard to protect the Lynn family, he uses his supreme medical skills to crush crises and punish villains. Pretending to be a weakling while hiding his true power, Ethan uncovers that the Duke family slaughtered his own people. Ultimately, he slays his enemies, shields his lovers, and reigns supreme over Harbor City.