Chapter headings, v1.10:

Chapter times relate to my 23.976fps Blu-ray, 25fps PAL is likely to be 4% different:

0:00:00, Repo, The Genetic Opera (2008) 01 comic book start
0:03:15, 02 Repo-man - Rotti is on the way out, but junior Largo are sicko
0:07:35, 03 Shilo in the graveyard - rescue then rescue - Nathan's story prelude
0:19:25, 04 Nathan's story
0:23:03, 05 Rotti's three kids - Blind Mag - Rotti's story re Shilo
0:29:58, 06 Repo Man at work - Gene Co at work - Blind Mag's story
0:37:05, 07 Shilo in Rotti land
0:40:34, 08 zydrate addict street scene, a call for a waste collection
0:48:33, 09 some repo surgery
0:51:11, 10 Shilo and Blind Mag, then with Nathan
0:57:16, 11 Shilo singing to Joan Jett's music, Rotti deal
1:05:15, 12 prelude to the opera
1:08:21, 13 opera, who is Repo Man?, Amber unveiled
1:12:44, 14 Blind Mag says farewell to Marnie's eyes
1:16:47, 15 and Farewell to Nathan
1:24:58, 16 and Farewell to Rotti
1:28:21, 17 free at last
1:31:31, 18 End Credits
1:37:46, end

I found the story to much to be able to watch it further than around 45 minutes.
My disk does have two commentary tracks and those allowed more to be seen, hence additional detail.
The story seems to be very much modern world.