Captain Archer takes control of the Enterprise, overruling a mission into Tholian space. He confronts internal dissent and skepticism among the crew. A disciplinary device, "The Booth," is introduced as a new method of maintaining order. Archer's desire for power is exposed through his decisions and interactions. The crew uncovers information about a ship from a parallel universe, with advanced technology, leading to an ambitious mission. Their attempt to seize this ship is met with resistance and a Tholian attack, forcing a critical decision as the Enterprise sustains heavy damage and Archer makes a sacrificial choice to ensure crew survival.