She plays a battered wife who turns up on the fishing boat of her ex-husband (McConaughey), asking him to help her kill her violent, slick-haired husband (Clarke).
Her plea: for McConaughey to dump her man in shark-infested waters so that no man will ever find him.
There are clearly a few wrenches thrown into the storyline. After all, McConaughey cautions they live on an island where "everybody knows everything."
Will he craft the perfect murder... or will Anne and McConaughey blow it? Find out when Serenity hits theaters on October 19.