Starring Elliot Page, Juno follows the titular character, a teenage girl who unexpectedly becomes pregnant. Deciding to give the baby up for adoption once it is born, Juno finds and befriends Mark and Vanessa, and childless couple desperate for a baby, who she plans to let adopt her child once she gives birth. Michael Cera also stars as Juno's boyfriend Paulie, with a further cast that includes Jennifer Garner, Jason Bateman, Allison Janney, and J. K. Simmons.