Affleck is directing, and playing a bank robber who becomes smitten with the teller of a bank he held up. She makes him want to go straight, but she is also the FBI's golden ticket to catching Boston's most wanted bank robber.

Hamm plays the FBI agent who also becomes infatuated with the bank employee, played by Hall.

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Pic will shoot next month in Boston, where Affleck filmed his directorial debut "Gone Baby Gone."