All Aboard! (Fallout: The Board Game)

All Aboard is the second main quest in Fallout: The Board Game if following down the railroad path

Walkthrough
Asking around for information involving synth will lead you to Drummer Boy who explains where the synth came from and asks your help to free them

Institute Path
The institute path completes naturally and is in no way in control of the party, each time a party member explores at a ruins there is a chance that a specific card can allow that player to speak to a courser. upon this action a shield token will be placed on the board, once three shield tokens are on the field, the quest auto completes and progressed to All Hell

Railroad Path
Now that more synths are about, Drummer Boy suggests that its best to convince them to defy their master at the institute. The party will need to do a quest action on a tile that's adjacent to a shield token. Once completed the quest will progress to Institutionalized