Du Qing still worked at the supply and marketing cooperative. She didn't want to take advantage of the main house by claiming an extra share of the year-end bonus. Therefore, except for occasionally lending a hand at the restaurant when it was short-staffed, she generally didn't get involved.
Wu Le did want to get involved, but seeing that Du Qing didn't do so, and also being too embarrassed to do it herself, coupled with Ruan Jianmin's explicit prohibition, she returned to her previous job and didn't meddle in the restaurant's affairs.
So during the day, the Ruan family household had no adults around, aside from the Ruanlin Family matriarch—either they were elderly or young.
Liao Zhaoji had obviously figured this out, which is why she chose to come to the Ruan family home to kidnap someone in broad daylight.
