Kramer vs. Kramer is a 1979 American drama film adapted by Robert Benton from the novel by Avery Corman, and directed by Benton. The film tells the story of a married couples divorce and its impact on everyone involved, including the couples young son. It received five Academy Awards at the 52nd Academy Awards in 1980, in the categories of Best Picture, Best Director, Best Adapted Screenplay, Best Actor, and Best Supporting Actress.
Ted befriends his neighbor Margaret Jane Alexander, who had initially counseled Joanna to leave Ted if she was that unhappy. Margaret is a fellow single parent, and she and Ted become kindred spirits. One day, as the two sit in the park watching their children play, Billy falls off the jungle gym, severely cutting his face. Ted sprints several blocks through oncoming traffic carrying Billy to the hospital, where he comforts his son during treatment.Fifteen months after she walked out, Joanna returns to New York to claim Billy, and a custody battle ensues. During the custody hearing, both Ted and Joanna are unprepared for the brutal character assassinations that their lawyers unleash on the other. Margaret is forced to testify that she had advised an unhappy Joanna to leave Ted, though she also attempts to tell Joanna on the stand that her husband has profoundly changed. Eventually, the damaging facts that Ted was fired because of his conflicting parental responsibilities which forced him to take a lowerpaying job come out in court, as do the details of Billys accident. ........
Source: Wikipedia