1) The rumble between the Jets and the Sharks takes place.
2) Tony and Maria meet at the dance and fall in love.
3) Tony and Maria get married in secret.
4) Riff, the leader of the Jets, is killed by Bernardo, the leader of the Sharks.
5) Tony, in a fit of rage, kills Bernardo.
6) Maria is devastated by Tony's actions and leaves him.
7) The Jets and the Sharks agree to a truce.
8) Tony and Maria reunite and decide to start a new life together.
9) Tony is shot and killed by Chino, Bernardo's brother.
10) Maria, heartbroken over Tony's death, leaves New York City.