More Esther outlines.

Outline Of Esther

Chapter One - Queen Vashti Deposed
    A. Ahasuerus throws a shindig - (vs. 3-5)
    B. Ahasuerus gets tipsy and wants to make a public spectacle of his wife - (vs. 10-12)
    C. The Queen is deposed - (vs. 17-21)
Chapter Two - Esther becomes Queen
    A. The search for a replacement - (vs. 2-4)
    B. Introduction to Esther - (vs. 5-7)
    C. Esther is taken - (vs. 8)
    D. Esther is instructed to not reveal her Jewishness - (vs. 10)
    E. Esther is made Queen - (vs. 16-17)
    F. Mordecai foils an assignation - (vs. 21-23)
Chapter Three - Haman plots a massacre
    A. Haman the Big Shot - (vs. 1-5)
    B. The plot is hatched - (vs. 8-11)
    C. The media goes to work - (vs. 13)
Chapter Four - Mordecai pleads for help
    A. Mordecai grieves - (vs. 1)
    B. Esther is alerted - (vs. 8)
    C. The problem of intercession - (vs. 11)
    D. Divine placement - (vs. 13-14)
Chapter Five - Esther contrives aid
    A. Esther is received - (vs. 1-2)
    B. The request is made - (vs. 3-4)
    C. Haman's hatred overshadows his joy - (vs. 9-14)
Chapter Six - Mordecai is honored
    A. Read when you can't sleep - (vs. 1-3)
    B. Haman shoots himself in the foot - (vs. 4-14)
Chapter Seven - Haman is executed
    A. The banquet is ready - (vs. 1-2)
    B. The request - (vs. 3-4)
    C. The inquiry - (vs. 5-7)
    D. Haman's doom is sealed - (vs. 8-10)
Chapter Eight - The Jews are avenged
    A. The order is reversed - (vs. 4-7)
    B. Those who were in complicity get it - (vs. 11)
    C. Mordecai gets to be the Big Shot - (vs. 15-17)
Chapter Nine - Purim is instituted
    A. Sowing and Reaping - (vs. 1-3)
    B. The request is completed - (vs. 13-14)
    C. Purim - (vs. 25-28)
http://www.thebiblestudypage.com/esther_1.shtml
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Outline
1.  The Feasts of Xerxes (1:1-2:18)
      a.  Vashti deposed (1)
      b.  Esther made queen (2:1-18)
2.  The Feasts of Esther (2:19-7:10)      a.  Mordecai Uncovers a Plot (2:19-23)
      b.  Haman's Plot (3)
      c.  Mordecai Persuades Esther to Help (4)
      d.  Esther's Request to the King: The First Banquet (5:1-8)
      e.  A Sleepless Night (5:9-6:14)
      f.  Haman Hanged:  The Second Banquet (7)
3.  The Feasts of Purim (8-10)      a.  The King's Edict in Behalf of the Jews (8)
      b.  The Institution of Purim (9)
      c.  The Promotion of Mordecai (10)
.http://tlc_studies.homestead.com/esther1.html
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Also see http://www.gotquestions.org/Book-of-Esther.html
A good brief overview.