Against the backdrop of an Australian summer, 3 divergent sisters face turning points in their lives and romantic entanglements while watching their mother's heroic battle with cancer. Australia.

In the middle of an Australian summer, we meet three sisters. Nina is widowed with two young children. Anna is an aspiring actress unhappily married to a filmmaker. Christine is a med student who has yet to fully come to terms with her sexuality. When their mother Susan's breast cancer returns, the family is faced with the reality of their last Christmas together. As each daughter confronts personal change and growth, Susan guides them by revealing a secret of her own.