Act I: Chorus gives a play overview. Sampson and Gregory fight with Abraham and Balthasar. Benvolio breaks it up, fights with Tybalt, and a riot erupts. Escalus, joined by the Capulets and Montagues, enters and stops the fight. Afterwards the Monta gues speak with Benvolio about Romeo. Romeo follows his parents exit with an entrance and talks with Benvolio about his love life. Paris works on his hopes for a marriage to Juliet. He is invited to a ball, which Romeo and Benvolio find out about from Cap ulet's Servant. Juliet finds out about Paris' offer. Romeo and Co. head to the Capulet's masked ball. At the ball, Romeo and Juliet meet each other, and the Nurse tells them who each other is.
Act II: Chorus explains the problems Romeo and Juliet face. After climbing into a back orchard and hearing Benvolio and Mercutio mock him, Romeo finds Juliet speaking out of her window. The reveal their love and decide to marry. Friar Lawrence agre es to marry them. With help from the Nurse, arrangements are made and the two are wed.
Act III: Tybalt taunts Romeo, battles Mercutio and kills him, and is then killed by Romeo. Romeo flees, Benvolio reports what happened, and Escalus exiles Romeo. Juliet weeps, but gets a visit from Romeo that night. Romeo goes to Mantua. Juliet doe s not want to marry Paris, but sees no way to disobey her father.
Act IV: Friar Lawrence hatches a plan in which Juliet will fake her death: he gives her a potion that will put her to sleep for a few days. Found to be dead, everyone mourns the loss.
Act V: Friar John was supposed to tell Romeo that Juliet is not really dead, but he reveals that he could not do it. Romeo visits the tomb and finds Paris already there. Romeo kills him. Romeo kills himself after kissing Juliet. Juliet awakes, sees Romeo dead, kisses him, and stabs herself. Everyone comes after the watchmen send for Escalus. Friar Lawrence explains his mistake. Montague and Capulet put aside their strife.
The summary of this play was taken from http://www.ocf.berkeley.edu/~anthony/Shake2.html