His eyes snap to mine, dark and accusing. "Did you give Carla my number?"

"No!" I say in a frantic gasp. "Why would I do that?"

"Then why is she texting me?"

The car suddenly feels impossibly small, the air thick and hot, hard to breathe. My stomach twists into a painful knot. "What is she saying?"

Jason's jaw is a slab of granite. For a long moment, he looks like he's weighing his options, debating whether to pull me deeper into his mess or shut me out completely. Then, with a look of grim resignation, he slowly turns the phone toward me.

The message glows on the screen, a...