For a three-act plot analysis, put on your screenwriter’s hat. Moviemakers know the formula well: at the end of Act One, the main character is drawn in completely to a conflict. During Act Two, she is farthest away from her goals. At the end of Act Three, the story is resolved.
The scene with the killers in the lunchroom.
The scene between Ole and Nick in the boarding house.
The scene back in the lunchroom with Sam, George, and Nick.