Seventeen-year-old Ross Quest, a master thief, enters the Thieves' Gambit, a competition consisting of dangerous, international heists, in order to save her mother's life.

Kaz Brekker and his crew of deadly outcasts have just pulled off a heist so daring even they didn't think they'd survive. But instead of divvying up a fat reward, they're right back to fighting for their lives. Double-crossed and badly weakened, the crew is low on resources, allies, and hope. As powerful forces from around the world descend on Ketterdam to root out the secrets of the dangerous drug known as jurda parem, old rivals and new enemies...