1. Episode 1

The visitors arrive by helicopter and discover the chalet and the 15 secrets. A murder ensues: the first person is murdered.

2. Episode 2

The first visitor to be murdered tries the Round Trip. With alliances, confessions and the discovery of IQs, the experiment intensifies.

3. Episode 3

The stakes are raised as a secret is revealed and the plans of some are derailed after a devastating defeat.

4. Episode 4

A call unsettles the visitors before a tense clash and a crucial test. Thomas, meanwhile, is looking to raise the stakes.

5. Episode 5

Tensions flare during an argument, before a trying confrontation and a lie detector reshuffle the cards.

7. Episode 7

Any strategy goes and it shows. After an intense confrontation, Thomas reveals clues to certain secrets.

8. Episode 8

The experiment ends on an emotional high. In the final round, the visitors finally reveal their secret, and one of them pockets $50,000.