Wally West leads the greatest speedsters of three eras against the menace of Savitar! The ruthless villain attempts to take control of the Speed Force an indefinable energy field that is the source of all speedsters' powers. Learning that every one of his allies including Impulse and Jesse Quick has lost their speed the Flash rushes to take on this new menace. But when the Scarlet Speedster confronts Savitar he learns that his enemy has diligently studied the Speed Force and can use it in ways that Flash never dreamed of. Up against a foe who is more than his equal Flash's only chance of victory now lies in the desperate self-sacrifice of one of his dearest friends. Flash (1987-2006 2nd Series) #108-111 and Impulse (1995-2002) #10-11. Softcover 144 pages.