On a leafy suburban street in Dublin, beautiful, poised Stella Greene lives with her successful husband, Matt. Stella appears to have it all. Next door, at number 72 however, lives Rea Brady. Gruff, bad-tempered and rarely seen, rumour has it she's lost it all... including her marbles. But appearances can be deceiving and when Stella and Rea's worlds collide they realise they have much in common. Both are trapped in a prison of their own making.