IOU

Amy's charming life, spent shopping and lunching whilst the nanny cares for her children, is thrown into disarray when husband Ben's business collapses overnight. Their house and savings lost, Amy must now be the breadwinner - but can their marriage survive the upheaval? Meanwhile, her sister Kate always struggles: juggling her job with two children and husband Miles. But then, by chance, she meets enigmatic Jack. Increasingly estranged from Miles, Kate wonders if Jack can offer her a fresh start. But there's something about Jack that Kate doesn't know ... And their mother Jennifer, recently recovering from her husband's death, contacts old flame Hugh - unlocking a dangerous Pandora's box. She's desperate to find the answer to a question that has long tormented her, but will she be able to cope with the truth?