The team of scientists, led by Dr. Jonathan Reed, had spent years perfecting their time travel technology. Today, they were ready to test it by sending a puppy into the future. "If this works, we'll revolutionize our understanding of time," Jonathan stated, excitement tingling in his voice.

Dr. Emily Carter, another lead scientist, watches anxiously. "Here we go," she whispers as the puppy vanishes. The timer resets, counting down the seconds until its return. But as the seconds pass, an unexpected alarm blares through the facility.

Jonathan and Emily exchange panicked glances. "Shut it down!" Jonathan shouts, but the systems don't respond. In a flash, the puppy reappears, now an adult dog, its lifeless body slamming against the wall. Horror grips the room as the realization sinks in.