[Vocabulary] planning / plan of our party

[uktous]

Hi,

Question:
Any difference between planning and plan in my sentences?

Sentence:
I will show you the planning/plan of our party (for mum's birthday).
We have a good planning/plan, so our mother must be very happy.

Thanks

 

[5jj]

I will show you the plan for our party.
We have a good plan, so our mother will/should be very happy.