After a sudden breakup, Jom takes a drive and winds up in the river. When he regains consciousness, he's in an unfamiliar part of Chiang Mai. He gets a glimpse of a newspaper then he begins to realize he's travelled through time.
Jom and Yai cherish memories from before. On a meteor shower night, Jom hopes for her return. Next day, Yai mysteriously reappears. Jom must help Yai understand the present, unsure how long she'll stay.