Melissa — Alexandra Amalova

This fourth instalment in the series focusses on Alistair's relationship with his young redhead neighbour, though Mel is not the only one to be sucked into his rapidly spiralling sex life; her family too become involved as Alistair's numerous affairs and other nefarious activities threaten to overwhelm him. We learn more about Alistair's troubled recent history, about his relationship with his beautiful and successful wife Rachel, while saying goodbye to some dear - and not so dear - old friends.