In 1972 Sven Sjögren disappeared from his farm in Lummelunda on the island of Gotland. Despite an extensive police investigation, there was no trace what had happened to him. Sven's neighbor Stig Larsson and his sister haven't been able to leave this behind and is determined to find out what happened almost 50 years ago. In this two-part documentary series, the private investigator siblings team up with a podcast duo from Stockholm with a strong interest in this cold case and with new leads the try to crack the case once and for all. The mission is to find Sven's body and give him a respectful funeral.