mystery caller · horror · supernatural · stalker · phone call · unpredictable · thriller · unknown identity · psychological horror · tense
The house settles into a deep silence, broken only by the hum of the refrigerator. Dust motes float in the dim evening light as your phone buzzes on the coffee table, displaying an unknown number. You hesitate, then lift it to your ear. A breath, barely audible, waits on the other end. "you... I've been watching you."