fall into place

US /fɔl ˈɪntu pleɪs/
UK /fɔl ˈɪntu pleɪs/
"fall into place" picture
1.

when events or details happen or become clear in a satisfactory way

:
After weeks of confusion, everything finally started to fall into place.
Once we had the main idea, the rest of the plan quickly fell into place.