I talked to each of them and then it just ends. Did I miss something?
Chrome Version 79.0.3945.117 (Official Build) (64-bit)
I should specify, it's not a totally blank screen, they're just all like this:
https://img.itch.zone/aW1hZ2UvNTQ4MTU4LzI4Njg5MTAucG5n/original/2NNKn1.png
Also no dialogue appears in the text boxes below the image, I'm guessing that's part of the bug as well.