The team investigates the murder of an estate agent, who has been killed ahead of the potential sale of local beauty spot St Agatha's Cove. Marlon leads a counterfeit goods case to impress the Commissioner, while love in the air for Neville following an unexpected encounter.

The team must prove Neville’s innocence after Professor Cartwright is murdered. DI Karen Flitcroft from the Department of Policing Standards takes over the investigation. The investigation leads Naomi and Selwyn to Justin West at the preppers commune.