Bill shuffled through the crumpled flyer in his hands, his eyes gleaming with mischief. "Listen, Molly,” he wheezed as he unfolded the invitation to Mrs. Henderson's annual children's party. “Imagine gathering all those kids around for a Grandparent's treasure hunt.” Molly raised an eyebrow, straightening up from her pile of stolen school supplies. "And you're saying it's full of hidden riches, Bill?" "Rich beyond belief! Cheers that's millions of 'I did it!' moments!" Bill winked, his voice crisp with excitement. They strategized below the rafters in an abandoned warehouse, their eyes plotting. "The setup’s tricky,” Molly mused, tapping her chin. “Besides the perfect lookout window, there will be dozens of kids running about, thieves everywhere.” "Focus," Bill said with a grin. "We can dodge through their hands as easily as they’d dodge through your reign of mathematics homework.” Molly chuckled, eyeing the reclaimed spyglass. "Nothing beats a good parlor trick, Bill. It’s all in the technique. Now, my treasure map. We’ll snoop through every loot box first, then hop gracefully over bouncy castles like it's the playground mini-obstacle course." As the night cloaked the city in darkness, they got to work. “Okay, first spot," Bill announced, his voice dripping with confidence. "There's an open trash can over by the decorations. Piled high with wrappers. Kidproof treasure." Molly watched him with zeal. “You’re on. As soon as we've stocked up, it's time to advance." Their laughter echoed through the empty streets. Children's chuckles a memory, a tick tock to their heist rhythm. The soiree awaits, Molly and Bill the masterminds, eager for the audacity of it all.