FBI Agent Chris Bremble comes face to face with Isaac Shiffron, the sociopath who gave birth to Eden, and to find the truth of the past, Bremble will have to endure Isaac's madness. Laura puts Mark in charge of Eden to see if her son has the ability to lead a town full of criminals who don't trust or believe in him. His mother, Maggie, and Molly all have a vision for what Mark should be...but which path will he choose? Collects POSTAL #17-20.