Darcy MacMillan has been thrust into the life of the rich in London, after living in New York her whole life. After she has barely any time to mourn the death of her mom, she faces the devil incarnate, Tinsley, who happens to be her half sister. After multiple comments made about her weight, Darcy caves and starts listening to them. Along the way she gains a best friend and a boyfriend in the space of three months. However, the question is: 'Will Darcy be able to cope?'