In March 1945, Indiana Jones and Brendan O'Neal crossed over the island to reach Holyhead, in an attempt to rescue Henry Jones, Sr. and Rebecca Stein from the Nazis led by Dieterhoffmann. On their final approach to the ferry, they hid on a small boat, where O'Neal recounted the history of the island and recognized that the destruction of the island's native culture by the Romans might soon by matched by Nazi aims.