Penny Lane (Kate Hudson)’s Timeline and Summary

We meet Penny in San Diego when William misidentifies her and her friends as "groupies." She clarifies that they are Band Aids.
William introduces Penny to Russell Hammond—though it's clear the two already know each other quite well.
After the concert, Penny shares with William her plan to leave for Morocco.
Penny and William drive up to Los Angeles to meet up with Stillwater. There, she rekindles her romance with Russell.
Penny explains to William that Russell is her last project before she retires, and that she wants to help him be great.
William breaks to the news to Penny that she has to leave the tour. Heartbroken, she still follows the band to New York.
Distraught after being rejected by Russell, Penny overdoses on Quaaludes. She is saved, however, by William. She later shares "all her secrets" with him before leaving to go back home.
Penny receives a call from Russell, who explains that he wants to meet with her. She gives him William's address instead.
In the movie's final montage, we see Penny leaving for Morocco.