Professor Jim Al-Khalili embarks on a journey to uncover the mysteries of gravity, a fundamental force that shapes our lives in unexpected ways. Joined by a team of volunteers, he uses cutting-edge scientific techniques to investigate how gravity influences weight, height, and posture. From the leaning tower of pisa to the moon, the film explores the groundbreaking discoveries of Galileo and Isaac Newton, revealing how gravity's strange powers affect our daily existence and how it can be measured with remarkable precision.