The biggest society wedding of the year in Chicago provides Lisa Scott and her partner the backdrop for their next case. Unbeknown to the human bride and her family her fiancé hides a very important secret from them. He is a powerful vampire, and his bride's blush provides a clue to his intentions - his own personal on demand, blood bank.
The commissioner wants this handling without scandal but the CVPD cannot allow the wedding to proceed, whatever the consequences.