A teenage girl from an affluent family receives a car (a Mini Cooper) that is possessed by a ghost named Marco. He brightens up her life, as well as that of her brother and her eight friends, and eventually she falls in love with him.

"There's never a cop around when you need one, but when this cop's around, all you need is one." A Hong Kong detective teams up with his female Red Chinese counterpart to stop a Chinese drug czar.