Triumph of A Nation - Season 1 Episode 13

By the time LAI KI is going to persecute NG, CHAI helps them to flee away without caring for his own life. This makes LAI KI very angry. After NG flees away successfully, he still wants to kill CHAI. This is fortunately stopped by YI. YI lets CHAI go back to Chun. NG submits to the Country of Leung to wait for the chance of getting back the status as a prince. YI goes to the north so as to gather more capable people to overthrow the Chun government. YI appreciates TUI's ability and wisdom and wants to ask him to follow him. However, TUI rejects it with the excuse of caring his mother. Later, TUI's mother knows that actually TUI has the intention to have a great deed. Therefore, she persuades TUI to follow and help YI. TUI promises finally. HAI knows that NG is very eager to get back the status as a prince……