When TR is called to a domestic dispute, Lawson relates to a young boy whose father is an alcoholic, bringing back some childhood memories.
When Michael rescues a woman trapped in her car underwater and subsequently becomes a hero, he soon discovers that she did not want to be rescued.
Shannon deals with and seems to connect to a local prostitute, who is being beaten up by one of her clients.
Rush follows the lives of members of the prestigious Tactical Response team (TR), which is based on the real life Victoria Police Critical Incident Response Team, a highly mobile unit that fills the operational gap between general duties police and the SWAT-like Special Operations Group. The team is seen responding to unhappy incidents such as carjackings, sleepings and armed offences. Rush focuses on the TR officers, their intelligence officers, Leon, Audrey and Inspector Kerry Vincent, head of the TR administration. It explores both the working and personal lives of the team.