Alex, the eldest son of Duchess Edna and Duke Eli, embarks on a new journey to explore the world on his own. As he gathers a group of travel companions, he discovers a peculiar connection with a ragged young boy named Kenny, not realizing that they have actually met before. Unbeknownst to Alex, Kenny is actually Yessica Solveg, the second princess of the Kingdom of Northian who is engaged to the violent Duke Frederick, their future king. With her identity concealed, the two royals develop a strong bond. However, when their growing affection could potentially provoke a war, will their reunion bring more sorrow than happiness?