Two children investigate the legend of a mythical creature rumoured to live in the lake by their holiday home. They are astonished when they discover the monster and find it is actually quite friendly - and is eager to help the children thwart a company dumping toxic waste in the water. Family adventure, starring Mark Harmon, Joshua Jackson and Harley Jane Kozak.

Radio psychologist Jack Black takes his children Joshua and Ashley on a 'vacation' to a lake in British Columbia. While he grinds away at work the children discover that the famous local lake monster "Orky" may not be just a gimmick to attract tourists after all. In fact, Orky may enable them to get closer to their workaholic dad, and help stop local polluters who are dumping toxic waste.