Ku Idhzam better known as Ku, good friend who is also a cousin of Shahrol from the village was moved to Kuala Lumpur ( KL ) . At KL, besides working in the printing plant, he was also involved in illegal races . Invited by his cousin moved to KL but Shahrol not sure to live there because there is no experience and had only meager education . In KL , Ku became acquainted with the Association , a medical student at a university with depression because of past history . Nina , the investigating officer tried to help the Association in its mission to resolve cases involving crime . Nina efficiency makes riding a motorcycle more closely related to Shahrol.