Episode 1 – It’s 2008 and on the May bank holiday weekend a four year old boy goes missing after a neighbourhood barbecue. A nationwide search follows but the boy is never discovered or seen again. Back in the present day it has been the wettest spring on record. Some workmen digging up a burst water main uncover a body under the communal garden. It is revealed as being Callum Reid buried just yards from his own front door meaning the boy never left Arcadian Gardens. DCI Maggie Brand is called in to lead the new investigation.