Shrewd Lou

He was undercover in the HH brothers at the order of Lau Ming Wa.
He wanted to quit his position as an undercover agent, but Lau Ming Wa kept rejecting him for lack of accomplishments.
When the HH brothers discovered his true identity, he knocked on the door of the Red Flower Request in order to survive, and was accepted by Yeung Kwun.
After joining the organization, he emerges as an influential player and is promoted to a senior position.
After Yeung Kwun's death, he plans to take over the company, but fails.
He then hatches a further plan, but Yvet prevents him from carrying it out and he loses his life.