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.

Fan Ruyi, a detective, finds himself framed after getting a top secret mission. Along the way he meets a blind performer and a powerful warlord's daughter that further complicates his quest to clear his name.