Convention and sexuality are explored through slugs, rituals, and the eating of an orange.

Where does all the time go? A woman watches her life, from high school to twilight years, leap forward at lightning speed. A poignant reflection on the things that really matter, impeccably animated by a talent to watch.

An Island in the Stream is a documentary about Tebajima, a remote island in the southwest Japan, with a population of about 40. Until the 1980s, coastal fishing was prosperous in this island, but now there is no industry on the island due to the declining population causing by aging and declining fish catches, and because of the changes, most of the residents are over 70 years old retired fishermen and their families. Through the observation and conversation with the residents, we see the past, present and future of the island. 　　There are no supermarkets, convenience stores, restaurants, or medical facilities on the island, beside two vending machines. The residents buy food and other daily necessities in towns on the mainland of Tokushima Prefecture that can be reached by ferry. 　　The lens focuses on three characters. One is 70 years old man who was born and raised in the island and work as the president of fisherman’s union, and another is a young fisherman in his 20s.