Becca and Rosaline, two sisters who have grown apart over the years but through tragic events learn to love and respect one another all over again. Each sister flies out to the Isle of Man to discover and repatriate the body of their mother, Mary, who they learn has been living a double life, leaving their father Richard at home in Manchester, whilst creating another world for herself.
As they journey to the Isle of Man, Becca and Rosaline reconnect with memories of their childhood and the bond that once bound them together. They discover that their mother's secret life had been hidden from them, and that she had been struggling with her own demons.
Upon arriving at the Isle of Man, Becca and Rosaline are shocked to find that their mother is not alone. She has been joined by a mysterious man, who introduces himself as David. He explains that he is a friend of Mary's, and that he has come to help her with her newfound identity.
Despite their initial suspicions, Becca and Rosaline are drawn to David's kindness and understanding. They soon realize that their mother's new life may be more complicated than they ever imagined.
As they explore the island, Becca and Rosaline learn about Mary's past, including her struggles with addiction and mental illness. They also uncover evidence of her involvement in illegal activities, which raises questions about her true intentions and motives.
In the end, Becca and Rosaline must confront their own fears and doubts about their mother's new life. They must decide whether to stay by her side or leave her behind, and whether to trust her with the truth about her past.
The film ends on a hopeful note, as Becca and Rosaline emerge from their journey with a renewed sense of purpose and understanding. They are able to forgive their mother for her mistakes and embrace her new identity as a woman who has found peace and fulfillment in her own life.
