Ken is holding a wedding ceremony in Macau for her daughter, Rainbow, who is marrying his protege, Vincent. Ken's best buddies, Vic and Mark, are invited to the wedding. On the wedding day itself, Mark receives a phone call from Michael Chen, who warns him that a mysterious tycoon has hired mercenaries to assassinate Ken. The wedding is then sabotaged, while Ken and Mark are accused to have engulfed DOA's illicit money. Once again, Ken and Mark are being chased by assassins and Michael arrives to rescue the guys along with the help of Faye, Ko Chun's niece.

Set three years after Dragon Inn, innkeeper Jade has disappeared and a new inn has risen from the ashes - one that's staffed by marauders masquerading as law-abiding citizens, who hope to unearth the fabled lost city buried in the desert.

In 1905, revolutionist Sun Yat-Sen visits Hong Kong to discuss plans with Tongmenghui members to overthrow the Qing dynasty. But when they find out that assassins have been sent to kill him, they assemble a group of protectors to prevent any attacks.

The sequel to Monster Hunt. Set in a world where monsters and humans co-exist, the franchise tells the story of Wuba, a baby monster born to be king. Wuba becomes the central figure in stopping an all-out monster civil war.