1) Lucy Brown is being followed by murderers and goes to the police for help but is dismissed due to lack of evidence.
2) Lucy later notices the murderers watching her from her office window and threatens them with a knife but runs away.
3) While running from the murderers in the castle grounds, Lucy is caught and killed, with her final moments caught on her phone camera.
4) Lucy's body is discovered and the detective who previously dismissed her case is now assigned to investigate her murder.