The emperor is about to be assassinated by an Ophiuchus maid but is saved by Fei Fei. Fei Fei asks the emperor to spare the maid's life and he agrees to do so. Fei Fei and Bei Tang Yi are about to share their first kiss when the emperor ends up fainting because of Fei Fei's light stick. (Source: XieLalisa at MyDramaList)