A second chance Fgod of destruction (undertale fanficton)

What happens if error was ambushed. But not to kill but for something else?
What if the gang thinks he's gone but he's really not?
How will the gang react if they find error..but Different and doesn't remember them very well. How will the gang protect error from the good guys for they are trying to get error back.
Will the 'good guys' find out the truth about error and the gang before its to late. Will error rembmer about his 'old life'?
Read to find out.