Twelve-year-old Jasmine Lopez loves exploring the coral reefs around Fiji where her marine biologist parents are stationed, and though young, she is already a certified scuba diver, a fact that her ten-year-old brother Arjun seems to resent; in fact he seems to believe he already knows everything about diving, and certainly does not want help from his older sister--until his overconfidence and defiance leads them both into a confrontation with a reef...

Twelve-year-old Tanisha Carter's favorite extreme obstacle course challenge is coming to town; her classmate Derek agrees to be her partner, and his cousin Janet agrees to train them at her gym, and while getting in shape is a little hard for easy going Derek, but the real problem the pair face is when Tanisha discovers she is afraid of heights.