Chapters 1-2
Turtle, the main character, finds out about the Westing House when they move into a new apartment building. But that house isn't normal; smoke comes out of that house at times, and no one knows why. There's a delivery boy, but he might not be real; who would he be?
Chapters 3-4
Turtle goes into the Westing House and comes out screaming and says there was a whisper saying purple or turtle she didn't know which. The thing is, no one lives there.
Chapters 5-7
They go to a meeting and find out that Sam Westing died, and they need to see who gets the money. They then find out someone in the room murdered him, and now play a game to figure that out.
Chapters 8-9
They get clues to find out who did it. The clues are very interesting and hard. No one wants to share their clues with anybody because anyone could be the murderer.
Chapters 10-13
They want to get clues from others and go to a party, but all that time is spent by people trying to find out clues. Then tomato sauce explodes, but was it tomato, or was it blood? And then there was a gas explosion. Was this all a coincidence, or was it on purpose?
Chapters 14-16:
They go to the restaurant to try to get clues from others. And then goes to a soon-to-be bride's party, and Angela gets an explosion from a gift. They are trying to figure out who did it still, and why.
Chapters: 17-19
They are trying to find out what their clues mean and actually find stuff. They are finding things about others and trying to solve the clues. They need more help to find clues, even though they are probably right in front of them.
Chapters: 20-22
They have a meeting with all the heirs and try to figure out more. Then they start to figure out clues and even think that Sam Westing is still alive!! They are starting to trust most of the people, but some are more suspicious.
Chapters 23-25:
They figure out their clues and find out that the missing words are the murderer's name. But the guy who's dead is actually alive. Then Sandy dies out of nowhere, and everyone starts getting confused and sad.
Chapter 26-27
They starts to figure out that the clues were there all along and figure out that Sam Westing, Barney Northrup, and Sandy are the same people, and Sam wasn't dead! No one did anything, but they all lied. But in the end, they all know everyone lies and that someone would figure it out. Turtle figured it out but shouldn't have trusted everyone. Since Sandy is Sam, and Barney, Sam died.
Chapters 28-30:
Everyone was talking about achievements. Also they were just wrapping up the story talking about things they did and about the whole murder mystery.