Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.

A group of friends awake one morning to find all electricity and power shut off and an immense alien aircraft hovering in the air above their heads. Suddenly this regular group of friends is battling to survive as the entire human race is threatened by the alien army hovering ominously above.

The film follows the shenanigans of the goings on in the male and female toilets of a local nightclub. We meet the two young toilet attendants who have more interest in each other than the events of the evening.