As Jong-hwan gets close to catching the faux-princess, Hee-soo puts her faith in Yi In — struggling with her growing feelings for him.

After lightning ignites a fire, Yi In sees it as a sign from above. As Queen Oh's health falters, Hee-soo strives to protect the Grand Prince's fate.

A last-minute change of heart gravely injures Hee-soo — prompting questions around her gender. Later, Yi In reveals the fate of her father to her.