3Hz - Season 01

Felix (13) spends the summer break with his best friends Sammy (13) and Noor (12) at their secret hangout, a hidden swimming pond in the woods. Their quiet holiday is over when Felix makes an amazing discovery: his vintage walkman picks up sounds from the year 1989. The three friends are fascinated by the weird, funny fragments from this long-gone era. Until they hear something disturbing. In 1989, a certain Walter was killed. Together with his friends, curious Felix starts an investigation. The tracks lead to a warehouse owned by EternoFarma, a powerful pharmaceutical company. How are they connected to Walter’s death? Felix soon learns someone else was also trying to figure this out in 1989: his own mom, Marijke, who recently passed away due to a long, mysterious disease.