Andy and Lance become eco-warriors when they find their beloved oak tree is due to be felled. But a 24-hour helpline turns out to be more of a hindrance. Andy stumbles upon treasure when, for once, he wasn't even looking.

The Danebury Metal Detecting Club is in trouble; developers are sniffing around, and after losing out on a big finder's fee, the club is going to need a miracle to help save their beloved scout hall. So when Lance manages to secure a permission to search ten acres of prime, undetected land, it looks like things could be on the up. But when a mysterious relic is unearthed, Lance breaks protocol, threatening his friendship with Andy and the future of the DMDC.