A mother-in-law pretended to drown in a river to test how much her three sons-in-law cared for her. The first two sons-in-law immediately jumped in and saved her, finding new cars in their driveways the next day with thankful notes. The third son-in-law did not help her, instead wishing for her death, finding a Porsche the next day with a note from his grateful father-in-law.