Sarah Robinson still can't believe her dad has remarried. Now she has to deal with a new stepmom and two stepbrothers, Marco, who is her age, and Nacho, who's younger. They've moved from Texas to California to start life as a new, blended family. But none of the kids seem happy about it. Sarah's dad and stepmom decide to take the whole family on a special vacation so they can get to know each other. They'll fly to Fiji, charter a boat, and sail for...

Sarah Robinson and her family are shipwrecked on a remote and mysterious island. Their food is scarce and there's no sign of rescue. They have seen strange creatures, rescued a mysterious girl, and found the Curator, who has captured Sarah's father and stepbrother to use in a bizarre time travel experiment. And then the only man who knows about their island comes back-he's looking for buried treasure, and won't leave without it, even if it means leaving...