In a small town, a group of fitness enthusiasts join a trendy gym to kickstart their healthy lifestyles, unaware of the sinister secrets lurking behind its shiny facade. As they push their bodies to the limit during intense workout sessions, a series of mysterious and gruesome accidents begin to plague the gym, leaving everyone on edge. Amidst the chaos, a determined personal trainer sets out to uncover the truth behind the bizarre events, only to find themselves entangled in a web of danger and deception. As the body count rises, tensions escalate, and trust becomes a rare commodity in this heart-pounding thriller. "Killer Workout (1987)" delivers a pulse-pounding blend of suspense, mystery, and fitness frenzy that will keep viewers on the edge of their seats until the final heart-stopping revelation.