Daniel Austin, a teenager under house arrest for hacking into the social media accounts of his classmate Mona Wilson, is left alone at home during summer. Equipped with an ankle monitor to restrict his movements, he has limited communication with the outside world, save for his probation officer and two loyal friends, Abby and Kevin. Struggling with isolation and boredom, Daniel's life takes an unusual turn when he begins to receive strange and terrifying online messages that seem to be coming from Mona, who recently committed suicide. This raises questions about whether her ghost is haunting him or if there's a more rational explanation behind the disturbing occurrences.

As Daniel's friends try to unravel the mystery, they discover dark secrets about Mona’s past, leading them down a dangerous path. Tensions escalate, and the haunting messages intensify, blurring the lines between reality and the supernatural. The trio must navigate through increasingly sinister events while uncovering truths about themselves and the vengeful spirit that seems to plague Daniel. Together, they face chilling revelations that have profound impacts on their lives, culminating in a gripping confrontation with the unknown force tormenting Daniel. The story combines psychological horror with elements of real-life anguish, leaving them to grapple with unresolved emotions and dark discoveries.