The Palmer family start a new life in Aidensfield after living in Africa for a number of years. But a new start worsens the family's dysfunctional issues. Diana and Cecil Palmer's constant battling results in their young son Peter running away. Things worsen when Diana hits the bottle and disappears one night. The last person to see her car was David Stockwell, who claims to have seen a ghost driving it. Whilst the Ashfordly officers search for the missing women, Mike uncovers a case of abuse within the fractured family. Meanwhile, Greengrass is asked to look after a group of pigs that escape and run riot around Aidensfield, whilst Ventress takes his eye off the ball at the station because his wife is due to have an operation.