The latest installment in the I Know What You Did Last Summer horror franchise features a hot young cast in a story about a group of small town teens who accidentally kill a fellow friend in a 4th of July prank. They all band together and decide to take their secret to the grave. Little do they know that they really will be taking their secret quite literally to the grave as one year later their secret comes back for revenge. The friends try to survive and figure out the identity of their tormentor before they end up dead themselves.