Residents of a rundown French apartment building battle against an army of deadly, rapidly reproducing spiders.

Marcia, a classy young Parisian singer, is recording an album with her idol Daredjane, a '70s rock icon. When Daredjane dies accidentally, Marcia needs to get approval from Daredjane's rights-holder, Anthony, a suburban market vendor in his thirties, to release their album. But Anthony never liked his distant relative, let alone her music. Their two worlds clash between good and bad taste, sophistication and rudeness, sincerity and lies. Unless love gets in the way...