Inside the carriage, where Bai Ying was. The young man sat in the carriage which was too narrow for him, although long enough for him if he wanted to lie down because he was tired, the carriage was still very small.
He saw from behind the curtains the sun was shining bright enough at that time. Actually, last night he had the opportunity to rummage through Princess Chai Ni's belonging while she was fast asleep, looking for the heirloom Lightning Fire and Enchanting Plaque. After that, he could have run away quickly. But, what he heard last night made him undo his intention.
Princess Chai Ni sat beside him, in her mind he was fast asleep, so she didn't hesitate to say whatever was in her heart at that time.