Yu Shin victoriously defeats the Baekje's troops and is awarded at his return. Seon Deok orders that all the private troops of Bi Dam to included in the army, so to increase the military budget. Bidam is happy about it and promises to strengthen the military power. Seon Deok announces a royal wedding with Bi Dam, to the shock of the officials. Bi Dam passes the book entitled "The geography of the Three Kingdoms" to Yu Shin, and expresses his hope that he would make use of this book. After finding out the nuptial convenant between Bi Dam and Seon Deok, some followers of Bi Dam sow discord between them by tricks.

The content of the letter favors Bi Dam in everyway and indicates that Bi Dam will become the King. Rumours start spreading saying that the kingdom is frequently attacked because of its female ruler. Seon Deok however never wavers in her trust in Bi Dam. Chun Chu leads some troops to Gurahwa Prefecture to capture the slanderers but is unfortunately wounded, which worsens the relationship with Bi Dam. Bi Dam seems not being able to control his powers, what surprising moves will his followers take next?