In "The Stranger at the Door," newly appointed chief of police, Mark Friessen, and his wife Billy Jo are confronted with a chilling mystery when a woman, forced to marry the man who killed her family, seeks their help. As they delve into the twisted tale, secrets from the couple's dark past emerge, testing their own relationship. Stepping into a dangerous and bizarre case, Mark and Billy Jo must confront doubts about each other, and the consequences of getting involved with the wrong people. The door they opened may lead to a path they never expected.