Derek De Alovo is a man who has dark past . His parents died when he was kid. He was met at accident while he was kid, and lost his memory. Sometimes , he get amerisa of bad memories .He loves things do in private that he doesn't want people to know. He meets with up rich family and got adopted as their son. His adopted parents supports him and send him for military. In his young age, he lost his memory of past life when he met with accident. He joins military while he get a rumour about his biological family. Then he starts to find who he is and what were his real parents were. Once he find the truth, the things get worse for him.He gets from hits the bad guys. He is having rough life. Sparks Cross is an veteran doctor who does surgeries for living. She is sweet and kind hearted surgeon. She works with high people around since her father was close to people he knows. Little she knows her memory about her parents makes her sad. Her parents died in plane crash which she doesn't know. She hears the rumour about her parents deaths and the reason. Her heart sometimes is glass ice when she is broken but she can stand strong when she is has little fire in her heart. She encounters Derek as her life changes. Although she has a brother, Denver Cross to protect her even he is doctor. She want protect her life and her brother. Will Derek and Spark catch the same enemy? Will they fall in love? Will they find the truth? Will they will catch the killer?