S4, E18: One member of an SG unit has committed suicide and three others including Dr. Daniel Jackson are near death. Their condition is a mystery but the answer could well lie in a strange offworld temple. Col. Jack O'Neill Maj. Samantha Carter and Teal'c check out the site and discover a room with a mesmerizing light display. They conclude that the temple was at one point a Goa'uld pleasure palace. As their investigation progresses they come to realize that the temple is directly affecting their brains' physiologies ΓÇö delivering euphoric highs while they are on its premises and debilitating lows of withdrawal when they attempt to leave. Trapped they must find a way to break this otherworldly addiction. A young man who is seemingly unaffected by the strange environment might hold the key to their salvation.