IntheverywaterswhereMelville'sPequodgavechasetoMobyDick,Leviathancapturesthecollaborativeclashofman,nature,andmachine.Shotonadozencameras—tossedandtethered,passedfromfishermantofilmmaker—thisisacosmicportraitofcommercialfishingasit'sneverbeenseen.