Turtle makes a bet to stay in the Westing house on Halloween night. Angela offers to help her with her costume.
Turtle dresses as a witch for her dare into the Westing house, and comes out screaming when she sees a dead body.
The next morning, she sees Westing's obituary in the paper.
At the first will reading, she gets paired up with Flora. Turtle thinks the answer to the game is to win at the stock market.
After the will reading, the tenants are snowed in. Turtle sells timed candles she made.
When her mother tries to bribe her into sharing her clues, Turtle is disappointed and refuses.
The next time she needs help with her hair, she asks Flora.
They attend the heirs' meeting in the coffee shop, where the first bomb goes off.
Afterwards, Turtle and Angela disagree about a newspaper Angela borrowed, and Turtle makes a crack about Sydelle's crutch.
At dinner in the Chinese restaurant, Turtle keeps listening to the stock market, until the second bomb goes off.
Turtle and Flora buy stock based on their clues.
At the third, bridal shower bombing, Turtle realizes Angela is the bomber.
Turtle does research and decides they should buy WPP stock.
Turtle visits Angela in the hospital and tells her not to admit to the bombing. When she thinks Theo knows Angela's the bomber – he doesn't – she decides to cover it up.
She sets off the fourth bomb in the elevator and burns her hair.
When she meets with the judge about it, Turtle accidentally reveals Angela's the bomber, because she's so focused on keeping that a secret.
During their discussion, Turtle and the judge both realize that Sam Westing might not be dead after all.
Turtle sells Sandy her last timed candle, and admits to all the bombings. She has her poor hair cut off.
At the second reading, she and Flora give their stock market answer, but all the teams' answers are wrong.
Sandy tells her she can still win, though; then he dies. Turtle's sad over her friend's death.
When the heirs are regrouping back at the judge's apartment, Turtle decides that something's fishy and decides to hold a trial, where she goes back over the will and questions many of the other players.
She discovers the missing word and figures out what the real solution to the game is, but then she still has to keep it from the other players.
When the meeting's over, Turtle goes to Julian Eastman's house, addresses him as Sandy, and says she won.
She keeps that a secret from everyone else.
Five years later, she calls herself T.R. and wins a chess game with him.
Several years after that, she's with Sandy while he's dying. She fills him in on what's going on with all the other heirs – she married Theo. The day of Sandy's real funeral, she goes to play chess with her niece Alice.