The Millionaires is a 2002 novel written by Brad Meltzer examining the inner workings of private banking.

After taking $3,000,000 from an abandoned account, brothers Oliver and Charlie Caruso are forced to escape the Secret Service.

A mysterious benefactor brings to their attention an abandoned bank account.

A friend of theirs dies, and then the eyes of the Secret Service, their bank, and a female private investigator turn on them.

The brothers must scramble to find out who is pulling the invisible strings of that account, how they will prove their innocence, and what they need to do escape the Secret Service.