After disrupting a carjacking, Lawson, Stella and Dom uncover an illegal vehicle rebirthing syndicate, but their suspect flees and Lawson leads an adrenaline-fuelled car chase through an abandoned warehouse complex before the offenders are captured. Meanwhile Josh, Grace and Michael are involved in a serious car collision, Inspector Kerry Vincent is pulled over for drink driving, and Grace's home is targeted by a crime family matriarch as revenge for sending her son to prison.