Ep 1. The Mask of the Demon

In "Father Brown" season 4 episode 1, titled "The Mask of the Demon," the beloved crime-solving priest is called to investigate a series of gruesome murders in the quiet village of Kembleford. A traveling fair has come to town, and with it, a mysterious new attraction called the Mask of the Demon. The mask is said to be cursed, possessing its wearer with the spirit of a demon that drives them to commit unspeakable acts of violence.

Father Brown is skeptical of the mask's supernatural claims, but as more bodies pile up, he begins to suspect that there may be something sinister at work. With the help of his trusty sidekick, Mrs. McCarthy, and the local police detective, Inspector Mallory, Father Brown sets out to uncover the truth behind the murders.

As the investigation progresses, Father Brown uncovers a web of deceit and betrayal among the fair's performers and patrons. Everyone seems to have something to hide, and the more Father Brown digs, the more dangerous the situation becomes.

To complicate matters further, Father Brown finds himself drawn to one of the fair's performers, a beautiful young woman named Miranda. Despite her shady past and the suspicions of those around her, Father Brown sees the good in her and believes she may hold the key to solving the mystery.

As the clock ticks down and the body count rises, Father Brown must race to uncover the identity of the killer and prevent any more bloodshed. With his sharp mind and unwavering faith, Father Brown is determined to bring the murderer to justice and restore peace to Kembleford.

Overall, "The Mask of the Demon" is a thrilling and suspenseful episode of "Father Brown" that will keep viewers on the edge of their seats. With its unique blend of mystery, humor, and faith-based themes, the show continues to captivate audiences and solidify its place as one of the best crime dramas on television.