"Which door exactly?" Vivian asked in a rush.

The elderly woman pointed again, "It's that metal door, don't you see?"

Vivian sighed, her eyes scanning a run-down apartment complex full of metal gates. She had no clue which specific door the old lady was talking about.

The old lady, seeing the confusion, suggested, "I've got nothing better to do now. Why don't I show you?"

Vivian's eyes lit up with thanks. "That would be great! Thank you, ma'am!" She signaled the ...