Unbeknownst to Yan Xun, Wen Yue is helping to kill assassins before they arrive at Yingge Garden, however, he must still guard against poisons. Wen Huai and Wei Shuyou arrive at Yingge Garden unexpectedly to search for weapons but Yuan Chun comes in time before A'Chu's identity is discovered. Wen Huai goads Wei Shuyou into assassinating Yan Xun while Wen Yue tries to come to his aid in time. (Source: frankly at MyDramaList)