"Sisters Rose Tillman and Marvina Nash haven't spoken in decades -- not since Rose sent Marvina $40 to register their business and Marvina spent it on something else. Rose begins a long career at the post office and Marvina spends her weekends cooking chicken dinners for the church fundraiser. Marvina never leaves the canister of their mama's special spice mix in the church kitchen, and she shares the recipe with no one. Rose never forgave Marvina...