Maggie is a perfectionist wife; her husband, Craig, can't quite live up to her expectations. They've fled their life in California, hoping for a fresh start in Florida with their two children, only to find the demons of the past hovering on their doorstep. Nick, a highly respected oncologist, and his wife Dani, a successful dentist, have well-kept secrets of their own. Julia is an elderly widow; her troubled grandson has moved in along with his unsavory habits and unsavory acquaintances. Olivia's husband, Sean, after losing his job at an advertising agency, is drinking heavily and prone to increasingly violent fantasies. The marriage of newlyweds Aiden and Heidi is already on the rocks, due to his reluctance to stand up to his intrusive mother. Someone on this quiet cul-de-sac will be shot dead tonight. All bear scars... and all have access to guns.