 Enterprise has finally arrived at Azati Prime, the suspected location of the Xindi weapon, only to find it protected by a very sophisticated security grid. There s just one way to pass it, by using the Insectoid shuttle. Mayweather and Trip visit the planet and find out the weapon is indeed there. To destroy it the shuttle must be send back for a one way trip. Mayweather and Trip are prepared, but Archer decides he should be the one to sacrifice himself. Then he gets a visit from crewman Daniels, the time agent. He tells why the Xindi want to destroy Earth and urges him to reconsider his decision.