In New Guinea, a wealthy and bored woman decides to go along with a group of flower children on an expedition in search of the uncharted and mysterious Valley Obscured by Clouds. On the road, she tries out hallucinogenic substances, exotic sex and the tribal lifestyle of the New Guinea aborigines.
When Viviane, a chic young diplomat’s wife, meets an intriguing adventurer and his hippy friends in the wilds of Papua New Guinea, different worlds collide. The group, led by enigmatic visionary Gaetan, convince Viviane to join their expedition in search of a mysterious uncharted valley.