李總警司

Together with his colleague Chu Yuk-Gong, he had contracted Song An to secretly conduct a "purification operation" using Jing Ke and Lan Yu as pawns, mainly to kill drug dealers.
When Roy's true identity was discovered by the Over Heaven Society, he made overtures to Yeung Kwun to help Roy escape to the Red Flower Society.
In the Yanyan murder case, he worked to prevent Francis from suppressing the evidence he had gathered.
He is concerned about Yvet's succession to the Red Flower Society, and he plans to assassinate her using Lan Yu.