Lady Jane Grey was the very first reigning queen of England.

She was still a teenager when she took the throne in 1553 and yet, just nine days later, she had been deposed and was later beheaded.

This three-part series uncovers the true story behind Lady Jane’s dramatic, short-lived and ultimately tragic time as Queen of England, which also saw the country taken to the brink of civil war.

Presenter and historian Helen Castor reveals that the main manipulator was the powerful Duke of Northumberland.

Did he persuade dying king Edward VI to make sure the protestant Lady Jane (who was also the duke’s daughter-in-law) was crowned over the Catholic Mary Tudor?

Continues tomorrow and Thursday.