Echoes of the Self Episode 16

To protect Fu Wei, Li Yan obtains an imperial decree allowing him to marry the Zhou family's second daughter, arriving just in time to stop Zhou Kui from forcing her into another marriage. While planning their future together, Fu Wei notices strands of gray hair in Li Yan's hair, unaware that they are the price he is paying to keep her alive. Meanwhile, Zhou Ruo Xi becomes convinced that Zhou Kui is the true mastermind behind the illegal loan scheme, while Li Yan begins to suspect a larger conspiracy involving the Eastern Palace. At the same time, Ling Lan secretly meets the mysterious man in black, whose true identity is revealed to be Zhou Kui. As wedding preparations continue, Fu Wei grows suspicious of Ling Lan's secret activities and follows her one night into the Zhou residence. While searching Zhou Kui's study, she discovers evidence connected to a hidden military operation before being confronted by Ling Lan. Moments later, Zhou Kui steps out of the shadows and faces her. (Source: Chinese = tvmao.com || Translation = KamilaRN at MyDramaList)