While staying at an Airbnb, a seemingly harmless blinking light on the smoke detector caught the attention of the narrator’s wife. Curious and concerned, he climbed up to inspect it — and what he found sent a wave of fear through him. Inside the device was what looked like a hidden camera lens.

Without speaking, driven by pure instinct, the couple packed their belongings and fled the rental. They didn’t stop until they were two towns away, parked outside a 24-hour diner. There, shaken but determined, the narrator posted an urgent and angry review to warn others.