Taiwan is beset by a terrible water shortage. TV stations are advising the population to economise drastically, and to drink watermelon juice. But, as always, people are finding their own solutions to the drought.Shiang-Chyi secretly fills discarded bottles in public toilets, while Hsiao-Kang takes midnight baths in rooftop storage tanks. They drift like clouds, never touching. Survival is hard, but loneliness is impossible to bear.Shiang-Chyi finds a watermelon, and on the same day encounters Hsiao-Kang. She remembers buying a watch from him when he worked as a street vendor. He's a porno actor now, but she doesn't know that yet. She hasn't seen him since, and has no idea what he is doing near her apartment building.They fall in love. Two clouds, touching...