Well it's obvious that we are still in flashback.
How much lore will the flashback reveal though?
What did the marines do to convince Kuma to join them?
Guessing the answers to these questions reveals the whole chapter really.
Ginny is saved because WG blackmail Kuma to work for them and Kuma agrees. Ginny dies later on because of some dispute.
Laffite Devon are unexpectedly there to see the execution, they try to take the chance to steal some DFs with both Luffy and Kizaru being down.
Kuma saves Bonney last moment.
Zoro is there.