Euakarn is a talented young doctor who dated a nice gentleman, Songklod, whose family was brutally murdered. Songklod wants to avenge the wrongful death of his family, met Hunter, the master of sorcery who taught him some fighting skills and black magic, and turned him into a cold-blooded killer (Kim). With his skills, Kim avenges the bad guys who murdered his family. A special agent with a supernatural gift named Teekua could never arrest Kim for his actions until one-day when Komkrit was killed and brought to the hospital. Euakarn has the same gift as her twin brother, Teekua, who knew that this death was not of natural causes. The two ex-lovers reunited at the hospital, but nothing is the same. Will he find the truth about his family's tragedy? Will their love be strong enough to bring them together again?