Ronaldo documents the life of Cristiano Ronaldo (born Cristiano Ronaldo dos Santos Aveiro; 5 February 1985), from his childhood until 2015, through a series of interviews with Ronaldo himself as well as friends and family. Parts of the film also follow Ronaldo’s day-to-day life with family and friends, including his son Cristiano Jr., his mother Maria Dolores dos Santos Aveiro, his brother Hugo and his sisters Elma and Cátia Lilian.