Colleague Lu Ze buys breakfast on the way to work for everyone in the office every day. To express their gratitude, everyone pays an extra dollar per breakfast as a hardship allowance. But after carefully calculating the accounts, they find that what accumulates every month is not a small sum either. More and more colleagues ask for help bringing breakfast, so Lu Ze needs to advance a large amount of capital, and also braves the wind and rain to carry a big pile of breakfast. What was clearly just a favor done with a flick of the hand slowly changes its flavor amidst monetary transactions.