Retired teacher Laura Windle is a staunch supporter of good causes and when her fundraising for the children's hospital falls short of the expected total needed to fund a child's life-saving treatment, she decides to take action. After unearthing the names of three people who reneged on their promised contributions, Laura discovers she has evidence with which she can persuade them to donate. Surely, she reasons, in this case any amount of coercion is justifiable, even blackmail?