While relaxing with her best friend on the first day of summer vacation, Samantha discovers an underwater cave and begins an investigation into a resort development that threatens her town.

"Have you ever wondered why the ocean has waves? Why do the tides change with the moon? Can dolphins really see using sound? How does surfing actually work? And what can we do to protect the ocean? Cresting from the pages of the beloved graphic novel series Surfside Girls, join best friends Sam & Jade -- and Sam's little brother Peet -- as they explore the AWESOME world of ocean science. From physics to marine biology to ecology to surfing lessons, there's so much to learn... with plenty of fun