One Step From The Edge

It was supposed to be a simple job. Fly into the island airfield of Teratia, drop off supplies, and leave. From the moment the wheels of Blare Casey's DC-3 touched the ground, nothing could be defined as simple. She and her copilot Bon Jacobs find themselves thrust into the middle of a secret mission, where nothing is like it seems and every event is a reminder of how close they are to the edge. Will the mysterious passenger they picked up hold them back from disaster or take them all the way over?