Jack, Beth, Will and Isabel have dinner together. However Will is left in the dark over Isabel's cancer. Isabel tells Beth she's coping well and refuses Beth's offer of a Macmillan nurse.

A group of people arrive in Cardale. They have a history of mental health and their presence splits the Cardale community in half. One patient is convinced that his poorly child is the result of the groups unhealthy living. It is discovered that the child has Weils disease and more and more patients become convinced that the rats which cause the disease are coming from the groups home. With mental illness close to his heart, Jack finds himself fighting the mental health patients course. Beth is concerned that he is becoming too involved.

Jack investigates the claim against the group and finds dead cattle near a stream where the infected children has been playing. Jack, Beth and Laura attend a meeting to ban mental health patients from residing in Cardale. They are on the side of the mental health pati