Continuing Jimmy Longton's search for treasure... In 1216 King John's court - contained in several large wagons laden with royal regalia - was crossing the River Wellstream, now part of the Wash , East Anglia . They got caught by the tide and went down in the quicksand. Legend says the remains are still there - somewhere, beyond the range of metal detectors and ground penetrating radar. Another method is needed. Here two enterprising entrepreneurs, seeking to restore ancient English heritage, ask Jimmy to find the spot. Enjoy the three videos: