A mysterious woman is found seriously wounded on the beaches of the Philippine West Sea. Isabel Sarmiento, a generous woman and her son Elai who's mentally retarded takes care of her. When she wakes up they realize that she has no memory of her past life and her name and they give her the name of Dyosa. But they can't even imagine who is she and why she have self-defense knowledge. The soldiers come for her and they discover the shocking truth; she is 2nd. lt. Rhian Bonifacio , a nurse corps at service of the millitary.
But there is the other side of the medal, she is actually a spy who infiltrated the millitary to give confidential information to Santiago "Heneral Tiago" Guerrero, a businessman who's respected at the first sight but his money has been earned in an illegal manner with arms and drugs trafficking just like training children to be part of his illegal group, and who at the same time is her father. Her mission is to gain the confidence of Brigadier General Marcial De Leon and his family and then kill him convinced that he is responsible for her older brother's death and the failure of her father as a soldier.
But she can even imagine that she is Arabella, the daughter of Marcial and his wife Corazon who was kidnapped at age of 4 and of whom they are convinced that is dead.
What will happen when this very well-kept secret is discovered? Rhian will fulfill her mission to kill her own father? Or she will try to stop the revenge of the man for who she think as her father?