The Emperor is not only peeved about Yong Cheng and Consort Jia fraternizing with the court ministers, but he also becomes suspicious of Yong Cheng upon seeing him tame wild horses, reminding him of the hunting assassination attempt at Mulan hunting grounds. After gathering more evidence to substantiate his worries, the Emperor sends Yong Cheng and his younger brother out of the palace to live in a mansion away from their mother. Consort Jia becomes more paranoid that someone is after her. (Source: frankly at MyDramaList)