A 29-year-old landscaper living in the coastal town of Cape Carnage. She arrived four years ago seeking refuge from a deeply traumatic past and now lives under the protection of Arthur Lancaster. She operates with a cold, calculated sense of self-preservation, actively killing tourists who threaten the town's peace to maintain her safe haven.

A man visiting Cape Carnage under the false pretense of working in search and rescue. He is secretly hunting the driver responsible for the hit-and-run accident that killed his brother. His rigid focus on vengeance slowly destabilizes as he develops an intense, conflicting physical attraction to his primary target.

The wealthy patriarch of Cape Carnage who owns multiple local businesses and properties. Though he is elderly and experiencing cognitive decline from dementia, he harbors a dark history as a prolific killer. He functions as a paternal guide for Harper, offering her housing and protection in exchange for her assistance with his bloody mission.

An amateur documentarian and the founder of the Sleuthseekers internet forum. He arrives in Cape Carnage determined to solve local cold cases and expose the notorious serial killer La Plume. His persistent snooping directly threatens the carefully maintained secrets of the town's residents.

The local law enforcement officer in Cape Carnage. He projects a relaxed, unbothered demeanor, frequently waving off the grand theories of visiting true-crime enthusiasts. He keeps a watchful eye on the community while managing the influx of disruptive visitors.

Nolan's late younger brother. His death in a hit-and-run crash four years ago serves as the traumatic catalyst for Nolan's violent pursuit of revenge.

Harper's late boyfriend, with whom she documented a nomadic van lifestyle on social media. His horrific murder during their kidnapping shattered Harper's old life and forced her into hiding.

A sadistic serial killer who kidnapped and tortured a young couple four years prior. His extreme violence and psychological abuse instilled a lasting sense of terror and hyper-vigilance in the survivors.

A fierce captive held in the same dank cellar alongside Harper. Her indomitable courage and vow to destroy their abuser deeply inspired Harper to harden her own personality in the aftermath of the ordeal.

Arthur Lancaster's grandson, who works on revitalizing the family distillery. He remains oblivious to his grandfather's murderous habits and frequently assists with mundane chores around the estate.

Sam Porter's technical assistant and drone operator. He aids Sam in filming aerial footage for the Sleuthseekers documentary, inadvertently recording dangerous secrets from above.

An athletic tourist visiting Cape Carnage who develops an invasive interest in Harper. His decision to spy on her through her cottage window leads directly to a fatal confrontation.

The friendly front desk clerk at the local inn. She casually shares town information and gossip with visitors, unwittingly aiding Nolan in his hunt.

Arthur Lancaster's late daughter. Her memory heavily influences Arthur's declining mental state, causing him to frequently confuse other young women for her.

A wild crow that frequently visits Harper's cottage. He brings her shiny objects, including a piece of jewelry tied to her buried past, and serves as a quiet witness to her isolated life.