A hacker is attempting to break into the secure server of the NYPD, posing a significant threat to sensitive information.
The hacker's target is the Lakme server, which holds clearance-protected information, including the names of undercover agents.
Captain Holt and his team mobilize to stop the hacker and protect the server from being compromised.
The hacker has used ARP and DNS to resolve the host name and gain access to the server.
Sergeant Santiago uncovers the identity of the hacker, who turns out to be someone from their past.