Aiding And Abetting

When the infamous, missing (and officially dead) Lord Lucan presents himself for treatment at the consulting rooms of psychiatrist Dr Hildegard Wolf, she is intrigued, to say the least. Not just because of the mans fascinating past and dubious celebrity, but also because he is the second 'Lucky' Lucan she has seen recently. Are they both imposters? And if one of them is for what, with a secret of her own to protect, can Dr Wolf do about it?