A French cultural research group arrives in Finland. From Helsinki, the group travels to Saimaa to participate in Midsummer rituals, where the summer night celebrations overwhelm the researchers.
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| Writing | Jaakko Pakkasvirta | Writer |
| Writing | Risto Jarva | Writer |
| Directing | Jaakko Pakkasvirta | Director |
| Writing | Pentti Saarikoski | Dialogue |
| Directing | Risto Jarva | Director |
| Sound | Kari Rydman | Original Music Composer |
| Camera | Reijo Lås | Director of Photography |
| Camera | Juhani Savolainen | Director of Photography |
| Camera | Pertti Maisala | Director of Photography |
| Costume & Make-Up | Saini Salonen | Costume Design |
| Production | Jaakko Pakkasvirta | Executive Producer |
| Sound | Heikki Kalli | Production Sound Mixer |
| Editing | Risto Jarva | Editor |
| Production | Risto Jarva | Executive Producer |
| Sound | Numidia Vaillant | Original Music Composer |
| Costume & Make-Up | Jarmo Maunula | Costume Design |
| Production | Juhani Kolehmainen | Executive Producer |
| Sound | Lasse Hjorth | Production Sound Mixer |
| Costume & Make-Up | Riitta Kolehmainen | Makeup Artist |
| Sound | Tuomo Kattilakoski | Production Sound Mixer |
