Shaun Murphy, a young surgeon with autism and savant syndrome, relocates from a quiet country life to join a prestigious hospital's surgical unit. Alone in the world and unable to personally connect with those around him, Shaun uses his extraordinary medical gifts to save lives and challenge the skepticism of his colleagues.
Dylan is diagnosed with chlamydia and must then contact all of his previous sexual partners to inform them that he has the disease. Dylan's best friends are Luke, and Evie, who for years has harboured a secret crush on Dylan but has now moved on and has become recently engaged. The majority of each episode of the show is told through a flashback, showing Dylan's encounters with a number of women.