Danny Warren, Claire and John’s older son, was a popular, athletic and self absorbed teenager who has spent the past ten years wasting his potential and pouring alcohol over the pain of losing his brother. But Adam's sudden return shocks Danny out of his stupor and instead of welcoming his brother home with open arms, Danny wonders if it's actually Adam that's back or a dangerous stranger living in their house. And now that the seed of doubt has been planted, Danny will stop at nothing to root out the truth.