“By the way, are we heading somewhere now?” asks a young woman, as she strolls through a park with an old flame.

“No, not really,” her companion replies. “Just walking.”

Asako (Yukino Murakami) and Mori (Soma Fujii) are former lovers who’ve just had a chance reunion in unusual — some might say paranormal — circumstances. They’ll later remember the details differently, though that’s true of their past romance as well.