Recently widowed Lila Jackson and her 14-year-old autistic son Ian are grateful for their kind neighbor Neil who looks out for them. After Ian accidentally witnesses a break-in in the house across the street and records the horrific murder of the homeowner, Lila becomes embroiled in a deadly struggle to protect her son from intruders Dominic and Rocco, who will stop at nothing to retrieve the video evidence of the crime and silence them. Hiding and trapped in a makeshift panic room created by her late husband, Lila and Ian must use all of their strength and intelligence to outsmart the intruders to save themselves.