Steve regrets, as expected, allowing his sister Mary Ann to cook the Thanksgiving turkey for his Five-0 gang, so Aunt Deb McGarrett, who practically raised Steve and Mary Ann, comes just in time--but with a macabre purpose: arrested for buying "medicinal" weed, she confides that she was diagnosed with terminal cancer. Also, Steve must mobilize his and Lou's team to investigate the murder of a US Secret Service agent stuffed in a drum of lye, the cleaning method of Albanian mob henchman Rafael Moreno. Coordinating Agent Devin Campbell confides the Service is preparing a presidential visit, the victim participated in checking the route. His sole suspicion leads to the hideout of dreaded hit-man Dante Barkov, but things aren't what they seem. Steve's contingency plan for the ruined turkey dinner contributes to family memories.
—KGF Vissers