Olympic athlete Megan Tomos goes into hiding a week before the Rio Games after detectives reopen their investigation into the suspicious death of her childhood friend.
Back in her home town of Newport, Megan reconnects with Will, her rugby-playing ex-boyfriend who failed a drugs test. Her coach, Liam, doesn't know what to think - he wants to believe in her, but she doesn't make it easy for him as pressure grows from the police and media.
Set in the steroid underworld of South Wales, Over The Line exposes the overlapping epidemic of drug abuse for appearance-enhancing body-building, and reflects on the doping crisis of the Rio Olympics.