Jess Ward joined the Wesberrey Walkers to get fit. But it might be the death of her! Obliged to look after her older sister's handsome and driven Brazilian lover, Jess introduces Frederico to the local walking group. With the annual Wesberrey Walkathon a few weeks away, everyone has their sights on the prize, but is there someone in the group prepared to kill for it? A mysterious illness lays low several walkers and Jess suspects foul play. Who would deliberately poison their competition, and how did they do it? Still unsure of the reality of her newly discovered psychic abilities, but with little else to go on, Jess tries to channel help from a higher plane. Can Jess trust her own intuition? Who or what is bringing everyone to their knees? Is it a dodgy hummus, or a deadly human? Wrong Doers, it's time to say your prayers!