On an excursion to an uninhabited island, the two men tussle; Tim strikes Ivo, who then strikes his head against a tree. Leaving Ivo for dead, Tim flees the island and rejoins the cruise, saying nothing of what has happened.
On a solo expedition to an unpopulated island, the two men had a confrontation; Tim assaulted Ivo, who then hit his head on a tree. Abandoning Ivo, Tim departed the island and reconnected with the ship without discussing the event.