This one is important Why was Major Sam Carter chosen as a host by the alien invader in the STARGATE SG1 episode Entity In this exciting adventure we discover the mission that led the entity to its fateful decision Captured by the Goauld Lugh Carter faces a hard choice help repair a cloaking device that would give Lugh a decisive advantage or allow SG1 to be handed over to the System Lords But all is not as it seems among the Goauld under Lughs command SG1 soon find themselves recruited by underground operatives possessing a rare gift that allows them to infiltrate Lughs inner circle However it is a gift that comes at a terrible price a price that may yet cost SG1 their lives Meanwhile tactical choices made by Colonel ONeill and Carter expose dangerous vulnerabilities which the entity will exploit