Sket (Also Known As: Sisterhood Gang ) is a Crime film directed and written by Nirpal Bhogal . It released on 28 October 2011 (UK) . The film stars Lily Loveless, Riann Steele, Aimee Kelly. When a young woman is cruelly and indiscriminately attacked by a notorious gang led by the violent Trey, her little 16 year old sister Kayla wants revenge and will stop at nothing to get it, even if it means joining a rival girl gang led by the volatile and damaged man-hating Danielle.