Detective Inspector Ron Scott and his team at Police Scotland, Greenock, K Division are investigating the murders of two teenage girls. The bodies were dumped at local beauty spots in Inverclyde, and it looks like Scott has a serial killer on his patch. Then, a four-year-old boy goes missing from his granny's back garden. There is a fierce storm brewing. Could the situation get any worse? Yes. The COVID-19 pandemic is hindering every aspect of Scott's investigation.