A lost cat, a giant talkative frog and a tsunami help a bank employee without ambition, his frustrated wife and a schizophrenic accountant to save Tokyo from an earthquake and find a meaning to their lives.

In the depths of the underground coal mines, where danger awaits and darkness prevails, Nam and Việt, both young miners, cherish fleeting moments, knowing that one of them will soon leave for a new life across the sea.