 Enterprise discovers a strange pod. After towing it in, the doctor confirms the dead pilot is human. Captain Archer suspects this man may be Zefram Cochrane, who developed the warp drive on earth, and disappeared with an experimental ship. When Tucker and Reed discover a stairway in the ship that is bigger than the ship itself and Phlox finds out the man s DNA contains several alien genomes, they begin to suspect there s something more to it. Then Suliban as well as Tholian ships appear on the scene. They want to have the pod and don t take know no for an answer.