Mary Kersey, the breadwinner in her family, juggles her job as a high-flying management consultant at Lock Chase with trying to be a good mother to her eight-year-old daughter Grace and keeping her husband's ancestral home in Suffolk in a decent state of repair.
Dr Alan Dove is CEO of biotechnology company, Pneumatech. He wants to buy a competitor who specialises in cosmetics, F-ACE. Enter Ivan Strawe, evil genius head of M & A at Wolkenbank, who'll find a way to lower the F-ACE share price with the help of a hedge fund that's only too happy to help.
Meanwhile Mary, who surprisingly retains a conscience in this dog-eat-dog world, is recruited by the Treasury to investigate dodgy dealings at hedge funds. Her world and that of Dove and Strawe are set on a collision course.