It's been almost a month since Rui left the palace for a mission from the mercenary. He also spent some time in the An Valley to oversee the situation in the Jianghu. After Gong Weixie died, Rui participated in the competition for the position of the next Lord of the Jianghu. And as expected, he overpowered all his competitors easily.
But despite of the important role he is playing in the Jianghu, he still chose to stay in the Gonglu country and guard his beloved Lin Xulian. Although she doesn't really need one. What he's after is actually to make sure that no other men can approach Lin Xulian. Feng Jun Yi is an exception since he is legally her husband.
