2. Ouroboros

Complete story — includes the ending

In 2043, the Cole, Cassie, and Jones of 2046 infiltrate the temporal facility, taking care not to interfere with their own past timelines. Jones discusses time travel with her 2043 self, then uses the 2043 time machine to send Cassie to 1971, where the latter plans to kill a young Olivia. Cole and Jones then pose as their 2043 selves to steal the power core from the 2043 time machine. In the process, Cole and Jones have emotional conversations with 2043 Ramse and 2043 Whitley, respectively. In 2018 Prague, Bonham, an Interpol agent, investigates Jennifer's theft of the artifact. Jennifer learns her Primary abilities are gone, and her alternate personality vanishes. While attempting to flee, she is intercepted by Bonham at a train station; the latter reveals his knowledge of the 12 Monkeys. In order to escape, Jennifer throws herself into the path of an oncoming train.