The Xindi (II)

Six weeks into the Delphic Expanse, Captain Archer and his crew learn of a Xindi working at a mining colony, and set out to track him down and gain information about the mysterious antagonistic race. But when Trip and Archer get caught in a deadly trap, Enterprise's newest crew members, a squad of Military Assault Command Operation soldiers (MACOs), must rush to free them. Meanwhile, T'Pol suggests an intriguing Vulcan cure for Trip's vivid nightmares of his sister's death.