Second Lt. Rhian Bonifacio gets shot after trying to rescue a group of fishermen from a foreign vessel and washes ashore on an island with no memory of who she is.

Because of her great reflexes and superior fighting skills, Dyosa (Angel Locsin) fears that she has done bad things prior to her head trauma. Soon after, she learns that two military soldiers are looking for her. She then breathes a sigh of relief upon discovering that her real name is 2nd Lt. Rhian Bonifacio, a registered military nurse for the Armed Forces of the Philippines.

Rhian tries to remember her life before her head injury. Soon, she reunites with her father and recovers her memories.

After being left behind in a war zone, Tiago (Bernard Palanca) uncovers the horrific truth about the country's corrupt government. The young military officer then stages a coup d'état, only to be foiled by his trusted friend, Marcial (Joseph Bitangcol). Stripped of his military rank, Tiago's life spirals downward while he witnesses Marcial rise through the ranks and start a family with Corazon

Under orders from Heneral Tiago (Tirso Cruz III), Rhian (Angel Locsin) tries to secure the smuggled drugs before the military could seize it. However, Special Force Aguila beats her to the package and neutralizes the disgraced military officer's men. Rhian then realizes that Ethan (JC de Vera) is following her as she tries to escape.

Marcial is certain that the masked man he encountered is Tiago, who he believes is behind the recent terrorist activities; Corazon worries about her husband's safety after learning about Tiago's return.