A scientist desperately wanting to prove that mermaids exist is ostracized from the scientific community in Japan. He settles down in Australia steadfast on his hypothesis. When a Japanese student visits him in Australia with strange questions about mermaids, how the young man survived in the ocean, and why he doesn't remember anything.
| Actor | Role |
|---|---|
 Tadanobu AsanoHisoka | Hisoka |
 Yosuke EguchiHaoka | Haoka |
 Kimika YoshinoAcri | Acri |
 Tatsuya FujiSakota | Sakota |
 Tetsu KayamaKeisuke | Keisuke |
| TTomoko TanakaMermaid | Mermaid |
| RRon GrahamNorris | Norris |
 Linden GohKai Genmei | Kai Genmei |
| Tetsu KayamaNot listed | Not listed |
| BBartholomew JohnWyler | Wyler |
| WWarren OwensTao | Tao |
| MMichael CafferyIntern | Intern |
| DDennis LundinNot listed | Not listed |
| MMiki OkijimaJessie | Jessie |
| JJohn BentonAudubon | Audubon |
| AAndrew McKaigeDr. Klaus | Dr. Klaus |