Casting Away

You are a successful movie star, on a private jet flying to a vacation destination. Suddenly, the jet was struck by lightning.
You crash-landed onto an uninhabited island that isn't even on the map.
You wake up on a beach alone.
You find a bizarre altar, strange gems from dead fish, and feel a strange aura spread across the whole island…
Is this really an ordinary deserted island?
Start fishing to survive on a lonely, desolate island.