Episode 1
On his deathbed King Edward cuts his sister Mary out of the line of succession and leaves the throne to his cousin Jane. It forms the basis of a constitutional crisis that brought the country to the edge of civil war.
Episode 2
Mary Tudor is determined to gain the throne she thinks is rightfully hers, both Mary and Jane are raising forces.
Episode 3
The balance of power shifts as people change sides. Mary route to the throne is clear.