A horde of giant hungry alligators is unleashed on a group of in-transit prisoners and their guards after a massive hurricane floods Louisiana.

When a raging storm coincides with high seas it unleashes a colossal tidal surge, which travels mercilessly down England's East Coast and into the Thames Estuary. It is not a question of if, but when London floods.

The Flood sees Lena Headey alongside Game of Thrones co-star Iain Glen take on one of the most explosive topics in modern politics. See why critics are gripped by it and are calling it "soul scraping", a "must see", with a "clever twist in the end".