Plot: The interceptors lead the charge in a drugs bust against suspected traffickers, the hunt is on for a driver who has fled the scene of a horrific crash, and Rich Precious and Sean Baxter are left for dust by a speeding biker. In Spalding, Dan Brigginshaw is on duty at the annual flower show, where he catches a pair of green-fingered lads and offers some honest career advice to a marshal with a chequered past