The Street - a new drama for 91Èȱ¬ ONE
Joanne Froggatt plays Kerry
"Yvonne's sister Kerry is quite ambitious, strong-minded and is a bit like a bull in a China shop," says former Coronation Street star Joanna Froggatt.
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"I think she's quite frustrated by her sister's situation and she wants to snap her out of it. Kerry can see that it's overstepping the line and it's getting dangerous for Yvonne to be there - time is running out.
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"If Yvonne's not careful the family is going to get a terrible phone call one day where something really bad has happened.
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"I've done a bit of research on it myself and it's a very difficult situation for some women to get out of, if your whole life is wrapped up around this person and they don't want to go away then it's very difficult to make that happen.
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"I have never been in that situation so it's difficult to know what you would do," continues Joanne.
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"I think people are complex and their relationships are complex. I'd like to think that if it ever happened to me, I wouldn't stand for it for a second, but if you have never been in that situation it's difficult to know what the best way to deal with it is."
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