Another Spearpoint worker has disappeared, plunging the base into chaos. As Caleb gets closer to finding the secret lab, he discovers another way to end the dark templar's reign of terror: the Shadowguard, elite psionic agents sent to guard the Umojan Protectorate against the most dangerous threats.

Based on an original story by Blizzard Entertainment's StarCraft game team and Jody Houser!