A Breach of Trust
Normally, Breanne wouldn't resort to something like this, but she was worried about where Chris was. They both had the same kind of Apple watch and their accounts were linked. Though she couldn't see his location, she could see something else...
Something Wasn't Right
When Breanne checked Chris's activity level, it said he was relatively calm from midnight to 3 a.m. Then, around 4 a.m., he had a significant increase in his heart rate. He told her he was just going for drinks after the gym with some friends, but it looked like he'd gone somewhere else, with someone else...