Charged with overeseeing Israel's war on terror, both Palestinian and Jewish, the head of the Shin Bet, Israel's Secret Service, is present at the crossroads for every decision made. This documentary features interviews with six former heads of the agency who have agreed to share their insights and reflect publicly on their actions and decisions. The Gatekeepers offers and exclusive account of the sum of their successes and failures. It validates the reasons that each man individually and the six as a group came to reconsider their hard-line positions and advocate a conciliatory approach based on a two-state solution.