Gu Pan and Lu Ruisheng took Lu Ruiming to the apartment they had rented before, and they weren't worried about him running away, for his mind was set on going to the headquarters, so he was more afraid of being found by Zhang Huishu.
Without any means of communication, hiding and remaining undiscovered was not difficult.
After they settled Lu Ruiming, Gu Pan and Lu Ruisheng went downstairs to meet Lu Jianshe, and all three had the same idea—to kidnap Zhang Huishu and interrogate her directly, since they were soon going to the headquarters and time didn't allow them to delay.
Gu Pan and Lu Ruisheng didn't want Lu Jianshe to be involved in this matter, given his military background, but Lu Jianshe insisted, claiming it was his personal issue and he had to participate.
Finally, they came up with a plan—to have Lu Jianshe wait in an unoccupied villa behind them while the two of them tricked Zhang Huishu into coming.