What if we lived in a world where "murderer-for-hire" was as legal and commonplace a profession as doctor or lawyer? What if a scientist hired one of these assassins for the most amazing hit of his career... to go back in time and kill Adolf Hitler before his evil rise to power? And what if Hitler managed to survive that assassination attempt, steal the time machine, sneak back to the 21st century... leaving the would-be killer stranded 70 years ago?