Tony's twin sister Antonelle 'Toni' Chu, sister vowed that she would help her brother track down her killer, and has found a way to do just that from beyond the grave. A box in Tony's freezer contains two human toes, one from Tony's late wife, who cut it off before she died and presented it to him to eat, and the other from Toni, who sacrificed a toe to help catch the collector who has been murdering people like the Chu twins who have food-related powers. Tony's daughter Olive, who like her father, is a cibopath (she gets psychic impressions from the things she eats, and is able to take on the skills and abilities of people whose flesh she consumes), eats her mother's toe, to get to know the woman who died when she was a baby. Tony bites into his sister's, but before he can go hunting for the killer, there is some more family business to take care of.
As in the previous couple of volumes, Tony has been waiting in the wings for a bit, while much of the plot centres around several of the female characters- his girlfriend Amelia, daughter, Olive and sister, Toni, which personally I have found refreshing. There are also more hints about what was going on with the mysterious fiery writing that appeared in the sky, and the significance of Gallasberries (a peculiar fruit from space).
As ever, the plot is really complicated, so if you haven't read the previous 7 volumes you don't have a hope in Hades of working out what's going on, and even if you have it might still be confusing at times. It's also gross, violent, and very funny in parts. I'm looking forward to seeing what happens next in Chew Volume 9: Chicken Tenders.