Loi Bo Watch Company, Hong Kong's esteemed watch boutique, conceals a thrilling secret—it serves as the epicentre for stolen timepieces. Under the icy command of Uncle, a fearless crew assembles: an audacious thief, explosive specialist, lock-picking prodigy, and watch connoisseur. Their target? Tokyo, where they plan to heist three ultra-luxury watches.

The story revolves around three couples dealing with accidental pregnancy, unfaithfulness, and planning a wedding with a meddling Mother-In-Law. Will they call it quits or remember why they fell in love in the first place?

The Yau Tsim Mong area, the core commercial area of Hong Kong, has recently experienced a series of robberies. Many jewelry stores in the area have been ransacked by gangsters. Police unit is given the mission to take the gangsters into a custody, but the operation is not so easy.