[final lines of episode and of whole series - Samantha has a quiet word with Foyle after the funeral]
Samantha Wainwright: [diffidently] Sir...
Christopher Foyle: Yes?
Samantha Wainwright: Um...
Christopher Foyle: Problem?
Samantha Wainwright: No, I just wanted to tell you something.
Christopher Foyle: What's that?
Samantha Wainwright: I hate letting you down, but I'm afraid I'm going to have to hand in my notice. The fact is... well, you could say I'm... PWP.
Christopher Foyle: Pregnant without permission?
Samantha Wainwright: 'Fraid so.
Christopher Foyle: Well, you choose your moments!
Samantha Wainwright: I wanted to get it over with.
Christopher Foyle: Good thinking.
Samantha Wainwright: So it means I'm going to be rather... busy for a while.
Christopher Foyle: Well, I do understand.
Samantha Wainwright: I don't like to leave you on your own.
Christopher Foyle: Well I *might* be OK. I don't about the rest of the country, but...
Samantha Wainwright: I'd really like it if you- if you'd be the godfather.
[Foyle stops walking and turns to face Samantha]
Christopher Foyle: Honoured.
Samantha Wainwright: Thank you.
Christopher Foyle: Pleasure.
[Samantha hugs Foyle and kisses him on the cheek, then walks off to her husband; Foyle smiles contentedly to himself]