A judge's son is abducted to ensure he let's a woman, Angela Markham, on trial for a hit and run under the influence go. Finch realizes Markham works at a tech company that designs software capable of detecting money-laundering transactions. She oversaw the installation of the software at OneState Bank, and Finch figures that she deactivates the software to let SP-9 launder millions of dollars safely through the bank hence their investment in getting her exonerated.