Gabe and Kylie hunt for misplaced pirate treasure, hoping to convey vacationers to their sleepy Florida city — and save Gabe’s mother’s diner. After they discover a valuable sapphire, they’re helped by R.A.D.A.R., a intelligent canine who’s truly a robotic! However the mad scientist who invented the treasure-hunting canine needs to steal him again — together with the city’s well-known sapphire! Can Gabe and Kylie shield the canine, guard the jewel, and save the city?