Different Worlds is about the three families Toivonen, Bovallius and Strandberg and their lives. The main characters are Sandra and Daniel, a pair of twins who were separated at birth 20 years ago. When they see each other again in adulthood, they are unaware of who the other really is. Daniel, who grew up under tough conditions in the suburbs, and Sandra, who grew up in a much nicer family, fall in love with each other. Something that has major consequences for both their families and other people...