Last of Us Part II - Part 5

Ellie gets electricity back running to try and run a radio. She finds a guitar left behind to starts to play Joel's song. Falling asleep, she dreams of a beautiful memory with Joel, visiting a museum. I get stuck for 15 minutes trying to figure out why I can't progress.
After waking up, Dina has been able to get the radio working again, and starts to decipher the WLF stations. They hear chatter about a lone assailant, believing them to be Tommy. Turns it's Jesse! Ellie feels thrown away once again and sulks.
We see a memory of a young Ellie on patrol with Tommy and Joel. There's growing tensions between Joel and Ellie, and she questions her immunity and previous journey from the Last of Us Part I. Also, I learned how to shoot with a rifle from far away. I've never understood the lines on scopes in video games! Tommy, thank you!