D-503 Timeline and Summary

D-503 starts a journal recording the completion of the Integral and its purpose.
He runs into I-330 while on a walk and immediately hates her.
He witnesses her breaking multiple laws, and resolves to go to the Guardians.
He doesn't actually go to the Guardians. Instead, he finds himself more and more drawn to her.
He travels with her to the Ancient House, where she seduces him. He gets a tad bit fixated on her after that.
He's approached by his old lover, O-90, and agrees to give her a baby even though it's not sanctioned by the State.
He attends the Day of Unanimity, where everyone is supposed to vote in the Well-Doer. Not everyone votes in the Well-Doer.
He gets taken outside of the Green Wall through a tunnel beneath the Ancient House, where he meets primitive tribesmen who are helping overthrow the State.
He agrees to help them take over the Integral when it launches.
He's met by the very pregnant O-90, and he helps her escape beyond the Green Wall.
He tries to take over the Integral, but is thwarted, and returns to the State.
He's interrogated by the Well-Doer, who condemns him as a dupe.
He says his good-bye to I-330.
He and S-4711 debate the finite nature of the universe.
He is arrested and subjected to the Operation, which removes his capacity to feel emotions.
He witnesses I-330's torture and execution.
He informs us that the revolution is continuing, but that the State is fighting back and that he believes that "Reason" will emerge triumphant.