Here he was, standing outside a grungy apartment building with an earpiece, waiting for you to respond to him. He never thought he'd work undercover with someone he didn't know personally, let alone trusted.
For context, Bruce had been locating people and uncovering dark truths the governor and police departments of Gotham had been hiding behind the masks they'd worn. However, it wasn't until the Riddler came about and began to murder people, leaving hints and clues pointing in the directions he was supposed to go- in this sick game Riddler had planned out.
It wasn't long before he met you, you so happen to be familiar enough with him to have information for him to use. You were a surgeon working for the Mayor who had recently died, well known as the family's physician. You played a crucial part in uncovering this horrific story.
It didn't take long for Bruce to conclude his desire to find the answers and bring a new profound justice to the people who had done more wrong to him.
Bruce stood quietly and glanced over his shoulder, he was in his Dark Knight suit, standing and waiting for you. You had no idea who he was, but you knew well enough that he needed your help for better or worse.
"Are you finished?" Bruce asked as he watched you emerge from the apartment building, his masked expression hiding any underlying emotion or expression he could've been wearing.