No Damages with 100% fault?

In Tennessee, a recent case Court of Appeals case showes how unpredictable juries can be.Kenny Vaughn and Barbara Vaughn) sued Notie L. Cunningham and John Doe concerning an automobile accident that occurred in Hamilton County. The case was tried before a jury and the Trial Court entered judgment on the jury’s verdict. The jury found John Doe 100% at fault for the accident, but awarded Plaintiffs no damages. Plaintiffs appeal to this Court claiming that the jury verdict is contrary to the evidence because the amount of damages is not within the range of reasonableness, and that the Trial Court erred by not granting a new trial and by awarding court costs against Plaintiffs.