After years living in France, The grandfather of Jakob returns back too his old house. He buys the house and asks his grand-son too help renovate it. When his grandfather falls and get hurt, an older woman decides too look out on Jakob. The older woman tells Jakob a story about a red swan, an wooden toy that his grandfather always had with him, because his grandfather lost the wooden swan, Jakob decides he's going to search for it, with the hope that his grandfather will feel better when it returns. When he begins with his quest Jakob comes in a fantasy world, here he meets Neeltje. Together they have big adventures with the 'woodfolk' and the 'fishmen' Jakob en Neeltje decide to do everything for the wooden swan, and the stories of Jakobs grandfather could help.