Synopsis

Castle and Beckett investigate the murder of a young mathematician, killed by a bullet dating back two centuries, a detail that ignites outlandish theories in Castle's mind about a killer who can traverse time. As their investigation unfolds, revealing a modified DeLorean and a suspect dressed in Victorian attire, could Castle’s improbable notion hold a grain of truth? The intricate narrative leads them from the heights of Wall Street to the hidden realm of a steampunk society, one that celebrat