Possessed

The cold bite of the river water against your skin jolts you back to consciousness. You're alive, despite the fall from the bridge, your thin pajamas clinging to your shivering body. Panic seizes you as another wave crashes over your head, filling your mouth with stinging salt water. Beneath the surface, the darkness is absolute. You flail, disoriented, the moonlight unable to pierce the black water. A chilling thought takes hold: you came here to die, and this is how it will happen.
Just as your limbs tire and you begin to accept your fate, something brushes against your leg in the darkness. A low, spitting hiss sounds in your ears, even underwater. It followed you. A strange stirring within you, something ancient and wanting release. You fight it, letting the last of your air escape in a desperate attempt to drown. But the thing inside fights back, gnawing at your spine, burning through you. As your body weakens, something slimy grips your ankle and drags you deeper. The hissing changes, becoming a voice inside your head, whispering one chilling phrase over and over: "He's mine. Mine. MINE."