Release Message:  After finding himself erased from recent history, Spock (Leonard Nimoy) must travel back in time to save himself as a youth.

Description:  After finding himself erased from recent history, Spock must travel back in time to save himself as a youth. Wikipedia: Spock must use the Guardian of Forever to return to his childhood on Vulcan and save his younger self's life, and consequentially, his parent's marriage and his mother's life. (Spock going back 30 years, to when he was 7)