At age 15, Melissa Moore discovered that her father, Keith Hunter Jesperson, was a serial murderer, known as the Happy Face Killer. As an adult, Melissa changed her name, guarded her secret, and cut off all ties to her father, who is currently serving life in prison. Now an adult, Melissa begins to discover the impact her father’s crimes had on the families of his victims, ultimately leading to a reckoning of her own identity.