My Whole Family Dressed up as Villains

Yuntao and her parents traveled through time together, and only then did they understand the surrounding situation. Yuntao was shocked to realize that her family had traveled through time in a book. Her father is a villain in the book who surrenders to the enemy and betrays the country. None of the family survives to the finale. How can you play this plot? Fortunately, the war had just begun and her father had not surrendered to the enemy yet. The family packed their bags and fled quickly! Wait, how did time travel bring home?