A Moving and Powerful story
This issue opens with a dolphin searching for it's missing mate. Then the story moves to a bar on the Faroe Islands the two days before a "grind", a mass dolphin hunt. A group of men who are dedicated to stopping the ancient tradition which is legally sanctioned are drinking there. When they are recognized as environmentalists, a bar fight ensues and gets pretty ugly before Animal Man intervenes. Animal Man has been summoned to help them prevent the legal slaughter of dolphins (and associated illegal whaling).
Along with his former Forgotten Heroes teammate Dolpin, Animal Man tries to divert the dolphin migration away from the island while the environmentalists on shore and boat use force to stop the grind. But when even that fails, Animal Man takes more direct action.
Grant Morrison often used this series to promote his environmetalist, animal rights agenda - in this story he gets in points about plankton and global warming and endagered species among other things - but in a story this well done, it hardly detracts from the narrative. In an incredibly poignant ending Animal Man is shown to be all too human, and that humanity is revealed in stark contrast to the dolphins.
I was not surprised that Wizard Magazine picked this as one of the 100 Best Single Issue comic books - it certainly is.