Edward IV has died, leaving his 12-year-old son as king.
But England has been torn apart by the Wars of the Roses.
Nobody wants a boy-king. Soon the boy's uncle Richard III is on the throne - but Henry Tudor is challenging him for the crown.
Henry and Richard have one thing in common: they need the young Edward V and his little brother out of the way.
The two boys are sent to the Tower of London for safety.
They are never seen again... A fascinating look at the brief reign of Richard III, told through the eyes of the princes' nursemaid.
What really happened to the princes in the Tower? Was Richard responsible - or has he been wrongly accused for centuries?