SUPERGIRL, KRYPTO, AND THE ZOO-PER SLEUTHS ARE ON THE SCENT! Not much time has passed since the Zoo-per Heroes successfully escaped the zoo and cranky zookeeper Cass. But they know the clock is ticking on their freedom...and Supergirl is counting on their help to track down the rest of the Justice League's enchanted laundry! Krypto has a plan to follow the scent of magic down into the stinky underbelly of Metropolis--where every animal for miles knows the best food can be found! And who knows what secrets and mysteries lurk in the dark as well?