Investigators Joey, Ela and new recruit Weronika track a suspect believed to have avoided more than £1,400 in fares, using travel data and CCTV to intercept him at Ilford Station. TfL bus inspectors Matt, Dija and Megan tackle concession card misuse, including a passenger unable to prove eligibility for free travel, while Nottingham tram revenue protection officers Ray and Red confront repeat fare dodgers determined to avoid paying for their journeys