All sixteen-year-old Megan Atwell wants to do is be a normal teenager. But when her mother gets sick and her deadbeat father is nowhere to be found, Megan has to take care of her family by dropping out of school to get a job. When Megan struggles to afford her mother's medication, she decides to steal it—only to get caught and have her arrest go viral. As she sits in a jail cell, she's surprised to learn all charges have been dropped. Her mysterious savior? 95-year-old Evelyn Quincy—sole heir to the multi-billion-dollar Quincy Industries who wants her to enter a competition to win her fortune when she dies. But Megan isn't the only teenager invited and must put up with puzzles, tests, and tricks. If Megan wants to save her family, she'll have no choice but to compete—and she has a billion reasons to win.