Vow of Silence: The Assassination of Annie Mae is a five-part docuseries investigating the 1975 murder of Annie Mae Aquash, a Mi'kmaq activist in the American Indian Movement (AIM). The series explores suspicions surrounding her death, which stemmed from her involvement in AIM's fight for Indigenous rights and the potential for government and AIM involvement in her assassination. Through interviews and archival footage, the docuseries reveals the harsh realities faced by Indigenous peoples in the early 1970s, including assimilation and government treaty violations. Ultimately, the series highlights Aquash's activism and the eventual conviction of several AIM members for her murder, while also raising questions about the role of higher-level officials. The docuseries is compared to other true crime documentaries in its style and approach.