Number Thirteen meticulously crafted the plan, striving to minimize all uncontrollable factors, prompting the target to act as desired under reasonable circumstances, but nothing more.
Number Thirteen couldn't control the minds of the three targets, so after doing his best, he still needed several backup plans and some good luck.
The target might not get out of the car to enter the fast-food restaurant and instead drive away to stay in the car for surveillance. If so, the outcome might not be optimal or even fail, with every possibility leading the situation in an uncontrollable direction.
Sometimes, whether a plan is successfully executed depends on luck, and this time, Number Thirteen's luck held strong.
