```
To catch a thief, you must catch the loot; to catch an adulterer, you must catch the couple red-handed. Relying on a few blurry photos was not very persuasive.
Zheng Tan estimated that Zhang Dong would certainly try to smooth talk his way out of it, but it seemed that Teacher Xiao Bai hadn't been easily deceived this time. At her age, dating was aimed toward marriage. Encountering this situation, even if she was momentarily duped by Zhang Dong's excuses, there would still be a thorn in her heart. And Teacher Xiao Bai had asked Zheng Tan for help precisely to obtain evidence.
From what Teacher Xiao Bai said, it seemed that Zhang Dong had a past record. How he had persuaded Teacher Xiao Bai to forgive him before was unknown, but now that this had happened again, she wasn't planning to let it go easily.
On weekdays, Teacher Xiao Bai was always busy with the nursery school students' matters, leaving Zhang Dong with ample time during the day to do many things.
