Gun-toting Grandma Hattie from Tyler Perry's plays gets her own sitcom. Managing the Love Train Diner with her brother-in-law Floyd, she dishes out justice in the best way: with love.Gun-toting Grandma Hattie from Tyler Perry's plays gets her own sitcom. Managing the Love Train Diner with her brother-in-law Floyd, she dishes out justice in the best way: with love.Gun-toting Grandma Hattie from Tyler Perry's plays gets her own sitcom. Managing the Love Train Diner with her brother-in-law Floyd, she dishes out justice in the best way: with love.