The film delves into the 2001 vanishing of Alissa Turney, with her sister Sarah providing unparalleled insight into the ongoing narrative. This includes a newly discovered collection of home videos that prompt Sarah to revisit her and Alissa’s early years. As Sarah uncovers disturbing revelations, she dismantles years of deceit to piece together the reality of their past and liberate herself from her father’s control. Her last exchange with her father is both eerie and a powerful testament to her relentless pursuit of the truth about Alissa.