King Louis XIII's son is born, but the Queen delivers twin boys. Cardinal Richelieu sends the second son to Spain in secret to ensure a peaceful future for France, while D'Artagnan rallies the Musketeers to rescue Constance, his lover.
The Iron Mask
A royal family's joy is short-lived as a surprise twin birth sparks turmoil in the palace, upending the traditional line of succession and sending the monarchy into disarray.
