It was just past three in the morning when Mara finally left the all-night diner. She always walked the five blocks home, a habit she’d formed in college and never broken. The streets were empty, the only sound her footsteps and the distant hum of a neon sign. She was about to turn onto her street when she saw it, a dark shape near the curb, just under the flickering streetlight. Her heart did a quick, hopeful skip—a stray dog? A dropped jacket? She slowed, peering through the dimness.
As she drew closer, the shape resolved into a small animal, curled up as if in sleep. She sighed, thinking of the many roadkill she’d seen on these quiet roads. But then a sickening familiarity crept in. The patch of white on the left ear, the unusual calico pattern of rust and gray. Her breath caught. It was her cat, Jasper. He’d been missing for three days, and now he lay motionless, his fur matted with something dark. A scream lodged in her throat, and her phone slipped from her trembling fingers, clattering onto the pavement.
She knelt, her mind refusing to accept what her eyes saw. She reached out a hand, but before she could touch him, she noticed something odd. Jasper’s body was not on the sidewalk but on the edge of the road, and there was no blood, no sign of a collision. Instead, there was a perfect line of something sticky and black, like tar, running along the curb beside him. It looked like a marker for some construction project, but it glistened wetly, and it seemed to pulse faintly, as if alive. Her blood ran cold.
Mara backed away, her heart hammering. She grabbed her phone and called her neighbor, old Mr. Hargrove, who had always been kind to Jasper. He answered, groggy, and she sobbed out that Jasper was dead. He told her to stay put, that he’d be right over. But as she knelt there, waiting, she saw the line begin to move. It inched along the curb, slowly, deliberately, like a snake tasting the air. It stopped just inches from Jasper’s paw.
Mr. Hargrove arrived, a thin man in a bathrobe, his flashlight cutting through the dark. He saw the cat and let out a sigh. ‘Oh, Mara, I’m so sorry,’ he said. He bent to lift Jasper, but Mara grabbed his arm. ‘Don’t touch him,’ she whispered. ‘Look at the line.’ He shone the light on it, and his face paled. ‘That’s not asphalt,’ he muttered. ‘That’s something else.’ The line seemed to quiver under the light, and they both took a step back.
Then, without warning, the line split. One part curled around Jasper’s tail, another looped toward Mara’s foot. She jumped back, but the line followed, moving faster now, spreading across the pavement in a thin, black web. Mr. Hargrove shouted to run, and they sprinted to his house, slamming the door behind them. Through the window, they watched as the line covered the spot where Jasper had been, and then, slowly, it began to recede, leaving the pavement clean, as if nothing had ever been there.
Mara didn’t sleep that night. She sat in Mr. Hargrove’s kitchen, sipping tea, trying to make sense of it. He told her that the city had been doing ‘maintenance’ along that road all week. But when she called the city in the morning, they claimed no crews had been scheduled. Her heart sank. She had to go back. Jasper was gone, but she needed to know where he’d been taken.
She returned to that corner the next night, and the line was still there, paler now, like a scar. She crouched, careful not to touch it, and focused on the spot where Jasper had lain. She noticed a small indentation in the tar, a paw print, and beside it, a tiny piece of metal—her spare key. She always tied it to Jasper’s collar in case he got lost. That key was the one to her apartment. A horrible realization struck her: the line wasn’t just leaving marks. It was finding things. And it had taken Jasper, and now it knew where she lived.
She turned to run, but the line was already moving, stretching across the street, up the curb, toward her building. She sprinted home, but when she got to her door, she saw it—a black, oily smear on the doorknob. She didn’t touch it. She backed away, down the stairs, out the back door. She called Mr. Hargrove, who told her to stay at his place, but when she arrived, she found his front door ajar, and inside, the floor was covered in that same black, glistening substance. In the center of the living room, there was a perfect circle, empty, as if something had been lifted away.
Mara ran out into the street, her breath ragged. The line was everywhere now—along the sidewalks, up the walls, across parked cars. She realized it wasn’t just around her house; it was spreading throughout the whole neighborhood. And as the streetlights flickered, she saw that the line was writing something. It was forming letters, crude and uneven, as if a child were learning to write. The message read: ‘YOU LEFT ME.’ Her knees buckled. That was what she’d said to Jasper the last time she’d seen him, when she’d accidentally let him out, and he’d looked back with those big, apologetic eyes.
The line quivered, and then it began to form a shape—a small, cat-like form, rising from the pavement. It was Jasper, but made of that black, liquid tar. It had no eyes, only hollow sockets, and it purred a sound like grinding stones. It padded toward her, and behind it, the line stretched on, spelling out a single, terrible word: ‘HOME.’
Mara turned and ran, but the line was under her feet, tripping her. She fell, and the tar-like substance enveloped her, cold and suffocating. The last thing she saw was the line forming a single, final mark across her vision, like a signature, before everything went dark.
The next morning, a city worker found a new line painted on Maple Street, neat and black, curving from the curb to a sewer grate. He shrugged and marked it on his clipboard. He didn’t notice the faint paw print pressed into the fresh tar, or the way the line seemed to pulse, slow and steady, like a heartbeat.