From publisher blurb:

This is the original Operation Hydra adventure for Terror Network.

The clock ticks away as an Al Mahara terrorist cell plots a deadly attack on Dallas Texas in this exciting investigation. Agents scour Dallas for leads in an effort to confront the terrorists before it is too late.

Designed for 2-6 players, Operation Hydra is an investigation module for the Terror Network game system. It comes complete with a map of Dallas, detailed locations, and an array of suspects. It also includes a countdown timeline to keep your players on their toes.