Robie had a bad experience in Honolulu causing her to take a Plane back to the US mainland to be with her family.
Although, when they were in the air, a big storm past over them causing there plane to plummet towards the water.
When the plane crashed, Robie and Max managed to jump out of the plane and barely survive but was able to still get to the raft that they had gotten from the plane
Robie woke up one day to find Max gone from the raft which caused her to believe she won't have a good chance of surviving
They had to get of the raft to fix a hole in it that left water flowing in it.
Eventually Max found his way back to the raft after falling of in his sleep although it was all in Robie's mind as Max never woke up from his sleep causing Robie to have to push him of the raft to also put less weight on the raft
After a long time of surviving in the ocean the finally found and island that Robie managed to scavenge resources to help her survive longer as a boat eventually came to find her at the island saving her as her thoughts of Max still being alive drifted away as she new he died after the plane crash having Max just be a hallucination of hers