King Yeongjo orders to confine San in his chambers. Duk Im desperately wants to help San get out of the trouble and starts to think hard to come up with an idea. Duk Im happens to learn about a secret document that the promise between His Majesty and the late Crown Prince is written on. Meanwhile, San is framed for high treason and questioned by King Yeongj in front of the high officials. (Source: Viu)