In elegant Columbia Mansions, the respectable lives of residents are shattered by a shocking murder…

When Pixie moves into the flat next door, divorced Gwen takes the young woman under her wing. She more than anyone knows how important a fresh start can be. But as Pixie becomes entangled with her charismatic landlord Alec, the lines of friendship begin to blur.

With whispers of sinister secrets passing between neighbours, Gwen realises Alec isn't the only one with something to hide, and finds herself questioning how well she really knows the people she considered to be friends. As scandal erupts in the building, old grudges resurface, leading to a crime that will destroy the peace of Columbia Mansions forever.