pick up the pieces
US /pɪk ʌp ðə ˈpiːsɪz/
UK /pɪk ʌp ðə ˈpiːsɪz/

1.
to try to return to normal after a bad experience or disaster
:
•
After the divorce, she had to pick up the pieces of her life.
•
The community worked together to pick up the pieces after the flood.