Alexandra never wanted to be a princess, but she was born to this role. She wanted to see the world. instead, she is stuck in the castle like a bird in a cage. She is second to the line of succession to the English throne. When her brother, Thomas, becomes the next king of England, Alexandra thinks that she can finally be free, but she discovered that she was wrong when she meets William, the next king of Ireland, her future husband. Various enemies are planning to take over England and Alexandra needs to learn how to protect her country. She has to look after her people and discover who are her enemies before it's too late.