Surfside girls. The clue in the reef

Past and present collide with land and sea as the girls leave the mainland and strive to save the animals. How did girls do anything dressed like this? Sam is cranky--the Surfside Days festival is on, and she and Jade have been conscripted to work the "Burger Dude Ranch" booth, dressed like it's 1850! But when the girls paddle out at Danger Point on a break, it's obvious that there's a bigger mystery to be solved. What on Earth are those creature...