As they continue their deep space exploration, the Enterprise crew grows restless after two weeks without contact with sentient life. But, they encounter an abandoned alien ship containing 15 humanoid corpses that were part of a scientific experiment. The horrific sight inspires Hoshi to panic and demand a return to Earth, but Archer insists on continuing the mission and finding out more about the abandoned dead. Trouble comes calling when the aliens conducting the gruesome experiments return and attack Captain Archer and his crew.