Ep 8. The Lair of the Libertines

Father Brown season 3 episode 8 is titled "The Lair of the Libertines". In this episode, Father Brown finds himself in the middle of a murder investigation at a local commune known for its hedonistic ways. When one of the commune's residents is found dead, Father Brown is shocked to learn that the victim was actually a young woman who had been posing as a man in order to hide her identity.

As Father Brown delves deeper into the case, he uncovers a number of secrets about the commune's residents, all of whom seem to have something to hide. He also finds himself at odds with the commune's charismatic leader, who he suspects may know more about the murder than he's letting on.

With the help of his faithful assistant Mrs. McCarthy, as well as his friend Inspector Mallory, Father Brown sets out to solve the case and bring the killer to justice. Along the way, he must navigate the dangerous waters of a community where anything goes, and where the truth may be more elusive than it seems.

"The Lair of the Libertines" is a thrilling episode that explores themes of personal freedom, moral responsibility, and the dangers of living on the fringes of society. With its vivid setting, complex characters, and gripping storyline, it's sure to keep viewers on the edge of their seats from beginning to end.