The Veil (2021)

S1E1 Han Ji Hyuk Returns

Agent Han Ji Hyuk is found aboard a fishing vessel, prompting the National Intelligence Service to investigate his identity. However, they discover his file is classified and inaccessible. Upon uncovering that he is their elite agent who vanished a year prior, they hastily mobilize to retrieve him. Unfortunately, Ji Hyuk is plagued by amnesia and cannot recall the events leading to his disappearance, leaving a trail of unanswered questions in his wake.