You can try to hide. But this gangland boss will get their revenge... no matter how long it takes. Lifelong friends Lori Graham and Stephanie Lyle are sitting on the balcony of Lori's flat in Glasgow, chatting, drinking, enjoying the summer's warmth. Until the peace is shattered by the sound of gunshots from a drive-by shooting. Running to investigate, the women find both their worlds shattered. One of their sons is the shooter, and one is the victim. As Lori and Stephanie try and pick through the pieces, they discover that they themselves hold the key to why their boys have turned on each other. A deadly secret from their teenage years has come back to haunt them, and now a face from the past is back for vengeance, using the one thing that will hurt Lori and Stephanie the most... their children.