Ben Stephenson, Controller, BBC Drama Commissioning, says: "The Last Act is a final four-part special event that will bring the stories of the four mistresses to a dramatic conclusion on BBC One. Simply and elegantly book-ended by a mysterious glimpse into the future, all the four women will be returning with new and sometimes shocking stories."

Katie, Trudi, Siobhan and Jessica have all had their fair share of men troubles over the years, but the new series looks more intently at the relationship between the four women. The final series of Mistresses will focus on love, betrayal, loss, forgiveness and, most of all, the enduring power of female friendship.

The final series of Mistresses will focus on love, betrayal, loss, forgiveness and, most of all, the enduring power of female friendship.

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