Keeler ran a soup kitchen for the extreme poor of New York City in 1930. She was also a social worker who helped people find jobs when she could. Apart from from being a social worker, she was also an advocate for peace who was extremely perceptive on many topics. Her perceptive talents also extended to judging people's character. As she observed about the friendship between Kirk and Spock; that Spock belonged at Kirk's side, that he'd always been there and would always be. Leonard McCoy, who, suffering from paranoid delusions caused by an accidental drug overdose was sent into the past by the Guardian of Forever. In this condition, he saved Edith from dying in a traffic accident thus changing the course of history. In the altered timeline caused by this series of events, Edith survived formed a pacifist movement that delayed the United States entry into World War Two. This resulted in Germany perfecting the atomic bomb sooner and winning the war. James T. Kirk and Spock had to return to prevent the change to the timeline. Upon arriving in the past, Kirk and Spock acquired period clothes and sought shelter by breaking into the basement of the rescue mission that Edith ran. With Edith's help, Kirk and Spock were able to find work and a place to live. Spock's subsequent analysis of historical records determined that Edith had to die in order to restore the timeline to normal. Matters were further complicated when James T. Kirk fell in love with Edith. The two began a relationship. Doctor McCoy, still sick, eventually found his way to Edith's rescue mission. Edith promptly took care of him. Despite her goodness, Kirk had no option, when he realized that the timeline would be fulfilled, but to prevent McCoy from saving her life, letting her die so that the world they knew might still exist. (TOSepisode & novelization: The City on the Edge of Forever)
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