This will be the first trophy you earn in the game.
Once the episode starts do the following:
• Interact with Intercom
• Interact with Intercom
• Dialog (Guard): "Why's my stuff locked in a cage?"
• Dialog (Guard): "Can I take a look at my stuff?"
• Interact with Window (This is the small window above the poster on your left, not the one by the intercom'
• Interact with Squawk Box
• Dialog (George): "Is there any way I could talk to Jennifer?"
• Circle - to exit.
• Interact with Squawk Box
• Dialog (George): "I tried to peek over the guard's shoulder..."
• Square - Use Item on Marty's Guitar to equip.
• Interact with Squawk Box (With Marty's Guitar equipped.)
• Interact with Door.
The trophy will pop after the cutscene.