Briony (Saoirse Ronan) is a rather unlikable 13-year-old child. She's known Robbie (James McAvoy) her entire life. In fact, not that much earlier before the "events" of the film unfold, Robbie saved her life, and she told him that she would be "eternally grateful" to him. It seems she had a crush on him... but Robbie, of course didn't know that. She was too young, and he loved her older sister. Robbie was the family servant, but Briony's father liked him enough that he put him through Cambridge and was willing to continue putting him through medical school. Unfortunately, Briony walks in on Robbie and Ceilia (Keira Knightley) having sex in the library. Notice how the film repeats "shocking" events that Cecilia witnesses, at least between Robbie and Celicia. The first is when Cee strips to her underwear to jump into the fountain to retrieve a broken piece of porcelain. The second time is when she sees them in the library. Just prior to that mome...
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