Start from scratch
Boss: May I ask a record of our clients?
Secretary: Sir, I believe that all our records are wet because of typhoon Haiyan.
Boss: Don't you have any soft copy of it in the PC?
Secretary: Sir, but the PC is also wet.
Boss: How about a soft copy in your flashdrive?
Secretary: None sir!
Boss: Then, you have to start from scratch! And I want the records in the afternoon.
Secretary: Yes sir!
Idiom
Start from scratch which means to do it all over again from the beginning.
idiom, 13-11-24 19:51, 13-11-24 19:52, Marz