Stephen O'Mahoney

Ryan, Marissa, Seth and Summer are back to begin their senior year at The Harbour School, but while everyone else celebrates the last days of summer, a dark cloud hangs over the foursome.

After Ryan and Taylor have an accident while hanging holiday lights, they realise that everything is not as it seems, and they must do whatever it takes to make things right again.

NCIS investigates the unexpected death of a Navy reservist who was an investigative journalist; Knight and Jimmy's budding romance is put on hold when a vital organ transfer goes fatally wrong.