In this episode, several major plotlines converge as the conflict between the Grounders and the Skaikru intensifies:

: Raven begins to realize the cost of taking Jaha's "key"—she discovers she has lost her memories of her late boyfriend, Finn, and her childhood. Meanwhile, Jaha reveals the origin of the 13th station, Polaris , which is linked to the second version of A.L.I.E.'s code.

: Octavia and Kane begin covertly working against Pike's administration, recruiting allies like Miller to prevent further disasters. Other Potential Matches

: Chancellor Pike continues his aggressive expansion, leading to a violent confrontation over land that results in significant bloodshed.

: Season 3, Episode 6 of the horror-mystery series From is also titled "Scar Tissue" but often discussed alongside "Bitter Harvest" themes, focusing on Fatima’s mysterious pregnancy and the community's survival struggles.

: Clarke is presented with Emerson, the last survivor of Mount Weather, as a "gift" from King Roan. She struggles with whether to execute him for his past crimes or show mercy, ultimately deciding to let him live with his grief rather than giving him the release of death.

While is the most common association for this specific episode title and number, "Bitter Harvest" is a recurring title in media: