""An Effectual Cure"" is a play written by Sidney Thompson. The play revolves around the story of a young woman named Sarah, who suffers from a mysterious illness that has left her bedridden and unable to speak. Her family and friends are at a loss as to how to help her, and they have tried every possible cure without success.One day, a stranger arrives at their doorstep claiming to have the cure for Sarah's illness. Despite their skepticism, they...