Ella discovers a terrifying secret when she becomes trapped in an underground storage facility. To survive she must join forces with a group of strangers, each with something to hide.

The Hoarder

Helmuth Hübener, a 16-year-old boy, forms a resistance group with his friends Karl and Rudi after witnessing the arrest of his Jewish friend by Nazis. Their brave actions lead them to face trial in Nazi Germany's highest court.

Truth & Treason

The Queen Mother and Wallis Simpson look back at the dramatic events of 1936, which led to King Edward Vlll giving up the throne for the woman he loved.

Royal Wives at War

In 1971, Bahrain, Qatar and the UAE ceased to be part of Britain’s empire in the Middle East and became fully independent states. BBC News Persia and BBC Arabic collaborate in this gripping film, to uncover the secrets and shady deals that underpinned the decolonization process. From eye-witness accounts of a British-organised coup to Iran being left in control of disputed islands, it's a fascinating insight to a murky history.