After a three year long relationship, 18 year old Mandy receives the text any girl dreads to read "I'm breaking up with you." Lost and dumbfounded, Mandy flies off the rails when bad boy Callum walks into her life, sweeping Mandy off her feet. The only problem is. Callum has a girlfriend. How will Mandy cope lowering herself to be Callum's mistress? Or will she find love in someone else?