Ready or not, here she comes.

ATTAGIRL!

Siren is a stone-cold bookie with a score to settle and a temper hotter than a .45 in July. When a slippery debtor tries to skip town with her money, she tears through the concrete jungle, Birkin swinging, to take back what's rightfully hers. They say payback's a bitch—turns out she's got a name.