After her widowed father dies, deaf teenager Dot moves in with her godparents, Olivia and Paul Deer. The Deers' daughter, Nina, is openly hostile to Dot, but that does not prevent her from telling her secrets to her silent stepsister, including the fact that she wants to kill her lecherous father.
Because of the actions of her irresponsible parents, a young girl is left alone on a decrepit country estate and survives inside her fantastic imagination.
Residents of a coastal town learn, with deadly consequences, the secret shared by the two mysterious women who have sought refuge at a local boarding house, the Byzantium.
Housewives Alice and Celine are best friends and neighbours who seem to have it all. However, when a tragic accident shatters the harmony of their lives, guilt, suspicion and paranoia begin to unravel their sisterly bond.