Every day, invisible armies of men and women head to work, where they’re assigned to do something that helps make our lives a little bit easier. Some of these workers clean our buildings, some assemble our smartphones, and some cook our favorite cheap eats.

On this hour of Reveal, we revisit an investigation that is starting to see some real impact: Rape on the Night Shift. We also take another look at the toxic chemicals used in electronics manufacturing, and we bring you a new story about a black market of undocumented workers is are supplying labor to Chinese restaurants all over the country.