Granite Flats

Everyone tries to deal with the loss of a friend, and sorting it out reveals vulnerabilities: Regina keeps reflecting on better days, John can't seem to live with himself, and even Hershel struggles to deal with the tragedy.

Timmy, Arthur, and Madeline make a dangerous discovery, right under the nose of the FBI. While they investigate, Granite Flats is in an uproar - chaos breaks out at the hospital and Chief Sanders races to apprehend a suspect.

The three sleuths argue about getting involved with the FBI investigation. Beth is concerned about Frank and the hospital experiments. Wallace is caught in the middle when Regina and Hershel argue about what's best for him.

Chief Sanders and Agent Scott investigate citizens whose loyalties are questionable, the young detectives are still curious about the coded message they found, and at the hospital, experiments reveal a patient's past.

Beth tries to connect with her son, Arthur, who has built a metal detector with his friends to help them investigate the mysteries in Granite Flats. A big city reporter begins asking questions around town.

Arthur and his friends Tim and Madeline look into the town's mysteries, and the police chief investigates one man's part in the base explosion.

The base explosion causes a Red Scare, and Arthur and his new friends begin investigating those who may have been involved with the explosion.

1962: Granite Flats, Colorado. A quiet, friendly little place...until part of the army base explodes. Is it a Soviet attack or an inside job? Who are the mysterious men in dark suits driving around town? What clandestine work is being done at the local hospital? As three young amateur sleuths and police chief investigate these mysteries, they begin to unravel a complex web of secrets, and Granite Flats will never be the same.