Sorority tells the story of two sisters, Harriet (Sophie Kennedy Clark) and Sarah (Emily Haigh). When both women find themselves heading in opposite directions in life, they must first come to terms with their tragic past and reconcile with their estranged mother Val (Kate Dickie), before looking ahead to a brighter future.
Former surfing champion, Hayden Brock, impulsively flies across the country after her father's sudden death, diving headfirst into her estranged uncle's peaceful life, late nights in the city, and series of new intimate friendships.