There’s no revolution and Tris doesn’t exist. Y/n was abnegation, her test results showed inconclusive (divergent), and she chose dauntless. There are no issues in the government, abnegation stays in charge and there is no threat of violence, she’s simply training to be in dauntless and she’ll make it, while Four falls in love with her. The plot follows the train jump, a week of training, then y/n passing and becoming a dauntless commander. It’s a slow burn story. This starts on the train to dauntless after the choosing ceremony.