Skilda världar was a Swedish soap opera

Soap opera

A soap opera, sometimes called "soap" for short, is an ongoing, episodic work of dramatic fiction presented in serial format on radio or as television programming. The name soap opera stems from the original dramatic serials broadcast on radio that had soap manufacturers, such as Procter & Gamble,...

 from 1996-2002 about two families in Stockholm

Stockholm

Stockholm is the capital and the largest city of Sweden and constitutes the most populated urban area in Scandinavia. Stockholm is the most populous city in Sweden, with a population of 851,155 in the municipality , 1.37 million in the urban area , and around 2.1 million in the metropolitan area...

 and their friends. One rich family and one poor and about Daniel and Sandra who are from the two families and fall in love. Later in the series it is discovered that Daniel and Sandra are twin

Twin

A twin is one of two offspring produced in the same pregnancy. Twins can either be monozygotic , meaning that they develop from one zygote that splits and forms two embryos, or dizygotic because they develop from two separate eggs that are fertilized by two separate sperm.In contrast, a fetus...

s. The series goes further and further away from their story and goes more towards the hate from all characters against Rebecka who is trying to destroy the relationship between Sandra and Daniel.

Skilda världar is one of TV4's most watched shows in history and was the longest running daily soap opera in Swedish television. The series was based on the 1980s Australian soap opera, Sons and Daughters

Sons and Daughters (Australian TV series)

Sons and Daughters was a Logie Award winning Australian soap opera created by Reg Watson and produced by the Reg Grundy Organisation between 1981 and 1987. The first episode aired in December 1981, during the Christmas/New Year non-ratings period, and the official broadcast date of the final...

.