The U.S. military has discovered a strange ring somewhere on Earth, the ring is made in a completely different technology from Earth, and by measuring the history of the ring is very old and can even go back to the appearance of humans, and there are many strange symbols engraved on the ring. What exactly does this ring do? Archaeologist Dr. Daniel Jackson (James Spader) has a deep understanding of ancient Egyptian hieroglyphics and their history, as well as his own theories about the construction of pyramids, but his views are not accepted. In order to find strong evidence, he began to study the ring discovered by the military, but found that the ring was a high-tech artifact, which could be connected to another ring through the push of a specific code, forming a wormhole, which could be used for ultra-long-distance and extremely time-consuming space travel. In order to find out what's on the other side of the Circle, Daniel and a military team led by Colonel Jack O'Neill (Kurt Russell) travel through the stargate and enter another world to explore. On the other side, they discovered a lot of unbelievable things, the mystery of the construction of the pyramids, and the mystery of whether aliens visited the earth......

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