Meanwhile, hearts are set to be broken as Jimmy finally takes an interest in Ivy and Carson has an unwelcome reminder of his past.
Episode 1 airs at 9pm on Sunday 22 September on ITV. To whet your appetite, here are ten teasing lines of dialogue from the episode…
» “I would thank you not to remind me of a time in my life I’d rather forget.”
» “We can’t have her here.”
» “You know, I sometimes wonder if he isn’t really German.”
» “Now you’re frightening me.”
» “I’m surprised at you, Mrs Hughes.”
» “Poor little orphan.”
» “She’s left!”
» “I’ve missed you. I haven’t stopped thinking about you for one minute.”
» “The war changed everything.”
» “I never thought she’d go through with it…”
> Order Series 4 on DVD on Amazon.
> Buy the complete Series 1-3 boxset on Amazon.
Watch the Series 4 trailer…
Are you looking forward to Series 4? Let us know below…