Jessie and Kekoa face-off during a paddle boat trip of a local river in which they must co-operate with each other to rescue and transport a man to safety after his canoe falls down a waterfall. J. D. tries to get Jason to shed his Texan image in order to learn how to flirt with some attractive-looking ladies on the marina. Also, Sean accompanies Allie on a quest into an underwater cave in search of some Hawaiian archaeology.