Shrinking uncontrollably, the Atom discovers his blood houses a population of microscopic, matter-consuming creatures that may hold the very secrets to his powers!

Frozen in time, powerless, and trapped within the subatomic world of the Genesis Bug, The Atom learns the truth of his involvement in the mysterious disappearances within Ivy Town, forcing the Mighty Mite to choose between saving the displaced faces from his past — or his own life! None escape the city of the lost.