The alternate ending starts after Jimmy shows Brian his blackened toes.
Later that night, Brian awoke from a deep sleep. Jenny was still dead to the world. He rolled out of bed and headed down the hall to the bathroom for a drink of water. After setting down the glass, he looked at himself in the mirror. The image in the mirror was even worse than he hoped it would be. He needed sleep.
As Brian returned to his bedroom, a strange noise invaded his ears. He walked close to Jimmy's room and put his ear to the door. The wet, gurgling, slurping noise was even louder. He opened the door and went inside.
A soft yellow glow radiated from beneath his son's bed. The sound grew louder as he approached the bed. He felt a bead of sweat roll down the side of his face. He took a deep breath and got down on his hands and knees to investigate.
Jimmy sat up straight in bed. His head was dripping with sweat. He'd had a bad dream. He couldn't remember what it was about; all he could remember was the screaming.
"Jimmy? Brian? Is everything alright?"
Jimmy could hear his mom walking toward his bedroom. After rubbing the sleep from his eyes, he noticed his bedroom door was open. He knew he'd closed it when he went to bed.
The light in the hallway turned on. "Jimmy?" his mom said walking into his room.
"I'm alright, mommy," Jimmy said. "I had a bad dream."
"Aww, why don't you…" she stopped suddenly and stared at something on the floor next to his bed.
Jimmy leaned and looked over the side of the bed. His mom turned the light on.
On the floor, lying in a slowly spreading pool of blood was his father. His legs were out of sight, under the bed. His eyes stared blankly at the ceiling.
His mom screamed and dropped to her knees beside his dad. She was crying. She grabbed his dad under the shoulders and pulled him from under the bed. His legs ended in slowly oozing, bloody stumps well above where his knees should be.
Jimmy watched in horror as his mom bawled and leaned over his daddy's body. Movement from the corner of his eye caught Jimmy's attention. Suddenly bright yellow light beamed from under the bed.
Jimmy tried to yell, tried to scream, but nothing came out. A hand shot out from under the bed. The arm that followed it was long and muscular. The arm and hand had no skin. Tendons and ligaments and muscle tensed as it grabbed his mother's ankle.
Jimmy couldn't move. He could only watch as his mom screamed and clawed at the floor while the arm pulled her under his bed. Jimmy fell asleep to the sounds of gurgling, slurping, and crunching.
"He's been like that for twenty years," the orderly said, looking through an observation window in the door.
"You he hasn't spoken?" the psychiatrist asked.
"Well that too, but I mean that he hardly moves. We have to help him to the bathroom and stuff. When he gets back to his room, he gets back on the bed and curls up into a ball."
"I'd like some time alone with him."
The orderly took out a large ring of keys and unlocked the door. "You shouldn't have any problem with him, but I'll be right outside just in case."
The doctor nodded and walked into the room, closing the door behind him. "Mr. Carter," he said, walking up to the bed. "I'm Doctor Carrington. I'd like to talk to you."
Jimmy turned and looked at him. His eyes widened and his breathing grew quick and shallow. The doctor took a step closer and his new patient began shaking his head. His breaths came quicker, he was almost hyperventilating.
"Orderly! Orderly, get in here!" the doctor yelled and backed away from the bed.
The orderly burst into the room. "Dammit!" he said, bumping into the doctor. "I forgot to tell you not to get close to the bed."
The patient's breathing began to stabilize. "Get him a sedative; I'll try to talk to him later."
"That won't be necessary. He'll calm down now that there's more people in the room."
The doctor thought about what the orderly said. "Whatever, I've got some paperwork to do anyway."
The two men left the room. As the door closed, the doctor could have sworn he saw a faint light under the patient's bed.
Be sure to let me know which ending you like best.