Sonmi's Orison is the name assigned on this wiki to the portions of the film that involve Sonmi-451, Hae-Joo Chang and the Archivist.
The tale in the film is based on An Orison of Sonmi-451 in the novel with the following differences:
- There is no child involved in Yoona-939's rebellion.
- The characters of Chang and Hae-Joo Im are combined, more or less, into Hae-Joo Chang.
- Sonmi-451 never goes to Taemosan University.
- Sonmi-451 and Hae-Jo Chang never leave Neo Seoul.
- Mephi is not presented as a professor.
- Sonmi-451 meets with General An-Kor Apis.
- The ascended Sonmi-451 does not return to Papa Song's dinery.
- The fabricant re-processing vessel is located in Neo Seoul.
- The rebellion is real and does not betray Sonmi-451; Hae-Joo Chang dies defending her.