
S01E01 Han Ji Hyuk Returns
Agent Han Ji Hyuk gets discovered on a fishing boat. The National Intelligence Service gets notified of his identity number, but his file is locked. When they realize he's their ace agent who went missing...
New truths unfold as Ji Hyuk investigates Seo Su Yeon. While he digs into Su Yeon, he gets faced with a new enemy when his partner Je Yi gets kidnapped. Meanwhile, a North Korean defector's testimony raises questions of its validity surrounding an ongoing espionage case.
Han Ji-hyuk, an NIS agent gone MIA, returns after one year to join a new team as he searches for his lost past.