A grisly murder investigation leads Castle and Beckett to a suspect who claims he's traveled back in time to stop terrible events from unfolding, events that will change the course of human history. Is he simply a deluded killer, or is it possible th... (more)at he's telling the truth?

Joshua Gomez, Myko Olivier, Rodney Rowland, Sam Daly, Tim Russ, Vanessa Bell Calloway, Yvonne Zima