Ten years after a Valentine’s Day tragedy claimed the lives of five miners, Harry Warden returns for a vengeful massacre among teen sweethearts gearing up for another party.

Due to a genetic disorder, handsome librarian Henry DeTamble involuntarily zips through time, appearing at various moments in the life of his true love, the beautiful artist Clare Abshire.

In a last-ditch effort to save his career, sports agent JB Bernstein dreams up a wild game plan to find Major League Baseball’s next great pitcher from a pool of…