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.
18-year-old Shengnan is invited to a mysterious party by her cousin. Upon arrival, Shengnan finds herself surrounded by greasy middle-aged men, with the exception of Jianguo, who is different. Shengnan and Jianguo decide to bail on the party, embarking on a night of adventures in the adult world.
