I think just Settle Down and realize that any Penalty you attracted can't be solved in just 1 day - it would take a little work.
Perhaps Provide Us With More Information :
* How Old Is The Site ?
* How Many Articles Are on The Site ?
* You Know New Sites Move Up and Down - How Did You Figure You Got A Penalty ?
* Did You Do Any Seo ?
* What Sort of Keyword Is It ? A Large Broad General Term - or a Specific Narrow Niche Term -- and is your Site Niche or Authority ?
That should let us know what we are dealing with.
Perhaps Provide Us With More Information :
* How Old Is The Site ?
* How Many Articles Are on The Site ?
* You Know New Sites Move Up and Down - How Did You Figure You Got A Penalty ?
* Did You Do Any Seo ?
* What Sort of Keyword Is It ? A Large Broad General Term - or a Specific Narrow Niche Term -- and is your Site Niche or Authority ?
That should let us know what we are dealing with.