Junior Congressman Evan Baxter's (Steve Carell) wish to change the world is heard by none other than God (Morgan Freeman). When God appears with the perplexing request to build an ark, Evan is sure he is losing it. Soon, however, mysterious deliveries of wood and tools are being dropped on his doorstep, animals of every shape and size are flocking to him two by two and his self-absorbed life goes from overnight success to almighty mess!