Ordinary girl Zhou Zhou guards a convenience store, accidentally opening a time-space passage to the Yu Dynasty, where she meets the wounded young general Qin Zhao. She trades modern food and medicine for priceless antiques from the Yu Dynasty, unexpectedly unlocking a dual-way storage space. With the frontier troops lacking clothing and food and plunged into the depths of war, she frantically hoards goods to feed the entire army; auctioning antiques rakes in tens of billions, spanning ancient and modern times with mutual support, sweet and refreshing interwoven, getting rich through hoarding goods.