British urban drama in which a teenager is driven into gang culture after a brutal attack on her sister. 16-year-old Kayla is deeply upset when a gang, led by the vicious Trey, attacks her sister and leaves her for dead. In a bid to gain revenge, Kayla elects to join a rival gang, led by the equally dangerous, man-despising Danielle. Will Kayla get her revenge and, if so, will it be worth what it has cost her?