When a duke starts selling his titles on eBay his estranged brother seeks out Peter to ask for his help - thinking the man is doing it to fund a drug habit. Having previously collapsed after feeling unwell, Peter makes a trip to his doctor for test, resulting in the doctor wanting to run more tests. Gloria, meanwhile, frets about how to tell Peter about the birth certificate she discovered up in the attic... Does it have anything to do with his current state of health? (thetvdb.com)