The document discusses and analyzes the opening sequences of three thriller films:
1) Shutter Island establishes the dark, isolated setting through atmospheric cinematography and a building musical score that abruptly ends when the characters enter the facility.
2) The Hunger Games shows the protagonist hunting to set the tone and setting, withholding the title to better flow with the narrative.
3) Kingsman: The Secret Service begins with action-packed helicopter scene but then sobers to show the impact of violence, contrasting action with emotion.