It’s rare for a room in beautiful, iconic Columbia Mansions to be up for grabs and Gwen is thrilled when its new occupant Pixie turns out to be the most delightful neighbour she could have wished for. Before long the two women have formed an unlikely age-gap friendship and Gwen is making herself useful to Pixie in all kinds of ways. But when a crime comes to light Gwen’s protective instincts go into overdrive, igniting an appetite for revenge that none of the residents are prepared for.

The last thing they need in Columbia Mansions is a scandal. The last thing they want is a murder.