As Princess Elfina prepares to wed Prince Kwan, the invading forces of Valdland launch a sudden assault on Fiel, seizing the castle and upending the royal ceremony. Prince Viceard leads the charge to victory, placing the kingdom under his command, yet his plans shift when Marna, his former love and now stepmother, appears with word of a plot against him from his father. Her steadying influence reveals Viceard’s gentler nature to Elfina, even as the king’s impending arrival and Kwan’s escape hint at greater turmoil ahead.