While preparing for their wedding, Shang and Mulan are suddenly sent off on a secret mission. Mushu starts to meddle, and a surprise attack by Mongolians doesn't help either.While preparing for their wedding, Shang and Mulan are suddenly sent off on a secret mission. Mushu starts to meddle, and a surprise attack by Mongolians doesn't help either.While preparing for their wedding, Shang and Mulan are suddenly sent off on a secret mission. Mushu starts to meddle, and a surprise attack by Mongolians doesn't help either.