I fell into this one like into a long, cozy marathon—'Go Tell the Bees That I Am Gone' is hefty, sitting roughly in the 900–1,000 page range depending on edition, so any useful summary can be as short or as sprawling as you want.
For a quick read, a tight synopsis of 150–300 words will cover the main beats: it advances the core family saga, follows the ongoing consequences of time travel and divided loyalties, and focuses on how Jamie and Claire (and their children) manage threats to home, health, and freedom. If you want something more thorough, 600–1,200 words lets you sketch the main subplots and emotional arcs; a chapter-by-chapter breakdown will easily top several thousand words if you want full spoilers and scene detail.
Key points to highlight in any summary: the continuing central partnership of Jamie and Claire; the persistence of legal and violent dangers in the 18th-century setting; family dynamics with Brianna, Roger, and the younger generation; Claire's medical skills clashing with frontier realities; the political unrest of the era shaping personal choices. Diana Gabaldon stacks subplots, so expect long digressions on love, revenge, healing, and stubborn loyalty — I found it rich and indulgent in the best way.