Ma Wenshun (Lu Jue 'an) is fond of the history and installation of watches, and has a special liking for the missing Moon Moon watch "Moonwatch"(prototype of the Omega Speedmaster). Wen Shun, who makes a living by installing "matching dates", was caught by Uncle Xiao Lai (Jiang Tao), the boss of the underground watch black market owner "Laibao Store" when he sold the matching dates to Niu Rong (played by Zhang Songzhi), a gangster. Uncle Lai threatened Wen Shun, asking Wen Shun to go to Tokyo, Japan, to sneak into a high-end watch store for him, and steal three pairs of "Picasso" watches that were to be auctioned in a month later, and then sell them into the black market for resale...