George Blade becomes an eco-warrior when a toxic spillage threatens Tony Simpson's latest land deal. His campaign ensures that the last of the off-season tourists soon desert Bridehaven. Mike's investigation is overshadowed by Steve, Jane and Aunt Nicholls

Tony is love struck when his estranged wife returns home and becomes heavily involved in the business. Mike and Jane are suspicious and join forces to investigate but, in the process, find themselves being drawn closer together.

Mike devises a plan to relieve the off-season boredom - the practice rescue of a stranded whale. However, the newfound environmentalists are too busy to notice that Kelly Blade is thinking of leaving home with her unsuitable new boyfriend.