Sarah and Nyles argue, leading Nyles to admit that he had slept with Sarah multiple times in the loop, something he previously lied about. After being pulled over by Roy disguised as a cop, Sarah runs him over. Guilt-ridden, Sarah refuses to talk to Nyles about their previous night, expressing nihilism about their life in the loop. The day after, Sarah sleeps in and is woken up by Abe, who she had slept with on November 8, the night before the wedding. One night, Nyles and Sarah camp out in the desert, get high, and have sex. In revenge, Roy sometimes hunts Nyles, torturing or murdering him. Nyles reveals that the man who shot him, Roy, is from the wedding and that Nyles inadvertently trapped him in the time loop. They both begin excitedly looking forward to their next adventures together. Nyles and Sarah become close friends, adopting Nyles' carefree and reckless lifestyle. Nyles, having already been in the loop for a long time, has become complacent and carefree, abandoning hopes of escape. Sarah tries various methods to escape the loop, but is unsuccessful. She confronts Nyles, and he explains that by following him into the cave, Sarah has become stuck in a time loop with him falling asleep or dying resets the loop, repeating November 9. Sarah wakes up and realizes that it is November 9 again. Concerned for Nyles, Sarah follows him and is sucked into a vortex. Nyles, injured, crawls into a cave, warning Sarah not to follow him. As he undresses, Nyles is shot with an arrow fired by an assailant.
They leave the party to have sex in the nearby desert. On November 9, in Palm Springs, Nyles and Sarah bond at a wedding reception for Sarah's sister Tala and her husband Abe.