Karen attempts to unblock the kitchen sink, but starts a series of events that spiral out of control, and results in a steady stream of less and less competent workmen. Will she be able to keep the carnage a secret from Rob? Ruth finally tells her mother about her job offer in America, but she doesn't take it at all well. Simon sneaks into the morgue to see Scarlett's body, and is horrified to discover the true extent of her injuries. How did he miss it all? Finally the stress is all too much.