Iris, Jacob, and their daughter Luna are a picture of a perfect family. Little does Iris know that Jacob and his parents are keeping a secret from her. While investigating an attempted murder case, Iris hears about the serial killings in Corazon.

In search of Jacob, Rico finds Daniel Villareal, the missing suspect in the murder of Corazon's village chief. Iris sees Jacob in a new light after solving her case assignment, unaware of the bloody secret her husband had buried in their basement.

Jacob turns to Rico for help in finding Grace and identifying their father’s accomplice, unaware that Iris is on his tail. A case hits Iris close to home and makes her hesitant to confront her husband about his real identity.

Dennis coerces Iris to choose between protecting her husband and fulfilling her sworn duty as a defender of the law. Daniel's transaction with Baldo goes awry, while Grace inches closer to the truth about their father's accomplice.

After Iris saved Daniel, the couple is forced to face the truth about their feelings and relationship. Upon learning what Jacob was up to before the incident with Daniel, Henry and Carmen vow to protect their son from Grace's investigation.