In the 25th century, a gym is not just a place to work out—its where living gym equipment exists, including Ace, the Abdomen Crunch Machine. Ace is a popular machine with a strong sense of empathy. He listens in on conversations and genuinely cares about the wellbeing of the gym-goers. He helps individuals overcome their struggles and grow stronger. Keishawn Turner is one of those gym-goers. He is dedicated and determined to reach his fitness goals, using the gym as an outlet to release stress and gain confidence.

As Keishawn continues to work towards his fitness goals, he faces personal struggles that threaten to derail his progress. However, he finds solace in the supportive community at the gym, including Ace the Abdomen Crunch Machine. But things take a dark turn when an unknown force threatens the existence of the living gym equipment.

Ace and his fellow gym machines band together to uncover the source of this threat, uncovering shocking secrets along the way. The conflict rises as they face off against a powerful enemy, leading to a climactic battle that will determine the fate of their world. Keishawn and his friends play a pivotal role in the outcome of this battle, showcasing their strength and determination.

In the end, the gym equipment emerges victorious, but not without facing difficult decisions and sacrifices. Keishawn and his friends learn the true meaning of friendship and community, finding strength in each other and the living gym equipment that has become an integral part of their lives.