The Goethals sisters lost their parents early on, and that tragedy bonded them forever: they became a real clan, the only support, and backbone for each other. The family idyll is broken by the middle sister's marriage to the nasty Jean-Claude. The son-in-law irritates the sisters-in-law so much that they decide by all means to get rid of the unpleasant relative. Smart and clever sisters invented an ingenious plan, but they did not take into account one little detail: they were not the only ones who wanted to get rid of Jean-Claude...