What. Is. That. Noise. When Molly hears knocking coming from the ceiling in her new apartment, she naturally searches for the source. The upstairs neighbors don’t know what she’s talking about and dismiss her with cool indifference. Is this all in her mind? After all, she’s still processing a traumatic event that left her mentally unwell, and the unprecedented heat wave isn’t helping her think clearly. As the knocking intensifies and gives way to a woman’s cries, Molly becomes consumed with finding out the truth. Could it be Morse code? Is someone trapped? And more importantly, why doesn’t anyone care?