Collects Catwoman (2002) #12-19 and stories from Catwoman Secret Files and Origins #1.
*Triumph and tragedy are the name of the game in Catwoman: Relentless. The adventures of Selina Kyle, Catwoman, suddenly take a turn for the worse as she faces her most personally devastating moment - and all is suddenly lost. Catwoman has crossed the deadly and ruthless Black Mask, and now he is making her pay. Selina's loved ones begin to meet terrible fates as she is forced to go on the offensive. *Source: Back Cover