I think you're right about the 'getting the old gang together' scene.
Or, like today, when he got a call from the old gang and closed up early for a little side action.
For my poor old gang is going to stand to its guns at last.
These days, he claimed, he'd lost contact with the old gang.
Why is the new old gang likely to make a difference?
I don't think anybody ever had more fun than we did, me and that old gang of mine.
At first I thought it was one of the old gang.
And she doesn't really need it to see the old gang.
They are one of the largest and oldest gangs in the city.
But it sure was nice to know that the old gang is remembered.