When a weird, wild wail echoes from the Metropolis Museum, Batgirl and Supergirl rush inside ready for a fight.
But all they discover are groggy workers-and one ancient tome missing from a rare book exhibit. A moment later, they’re called to a break-in at S.T.A.R. Labs and find… Silver Banshee!
The supernatural Super-Villain is scheming to broadcast a mind-control curse over the city! Batgirl and Supergirl are determined to stop the plot, but their foe’s deadly scream makes it nearly impossible to face her head-on.
Can the two friends concoct a way to silence Silver Banshee and her spell before midnight?
*** COVER SUBJECT TO CHANGE ***
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