Vanessa is introduced at the start visiting her parents' gravesite, establishing her as sad and innocent with bright lighting. Sam appears halfway through with low lighting, surprising the audience and making him seem suspicious. Different music tracks are used to reflect the characters - soft music for Vanessa and intense music for Sam. Camera shots like close-ups and low angles on the characters are meant to add tension and establish their roles. The opening sets up the main characters and their contrasting personalities to engage the audience and set the tone for the thriller genre.