He appears to be an ordinary man, but behind his quiet life lies a hidden power and a dangerous past. When the woman he loves becomes a target, he makes a promise to protect her at any cost.
As enemies close in, his true abilities begin to emerge. Their relationship is tested by danger, secrets, and the powerful forces determined to tear them apart.
Hidden Power: A Love He Swore to Guard is a romantic action drama filled with secret identities, hidden strength, protection, danger, emotional romance, and unexpected twists.
Watch the full DramaBox Exclusive with English subtitles (ENGSUB) and discover the power behind the man who swore to protect her.
