Macy's has been falling apart.

The once beloved department store has reported five straight quarters of plummeting sales. Sales most recently dipped 7.4%.

In the past, Macy's — and others — have blamed myriad reasons for the department store's woes.

The weather was too warm for fall and winter apparel.

People aren't spending money on clothes anymore.

Amazon is eating into the market share of the apparel industry.

We went to Macy's to find out why the brand is floundering. What we found shocked us.