At the end of their sabbatical year backpacking around the world, four backpackers find themselves adding an unexpected stop among palm trees and snow-capped alpine peaks on a tropical island in the middle of a Swiss lake.

Right at the end of their sabbatical year backpacking around the world, just as they are about to write "the end" on their journals, four backpackers find themselves adding an unexpected stop to their journey among palm trees and snow-capped alpine peaks, on an unlikely tropical island in the middle of a Swiss lake.