Vanheden, Dynamit-Harry, and Doris are in Mallorca, while Sickan remains in Stockholm. Wall-Enberg convinces Sickan to join a break-in at Las Palmas cathedral, but Sickan is framed, caught, and imprisoned. Vanheden and Harry devise a plan to break him free, and once released, Sickan seeks revenge. The gang uncovers an antiques dealer's involvement, Germann, who's collaborating with Wall-Enberg. They investigate her and her antiques, discovering a heist planned against the Palma cathedral.
Jönssonligan på Mallorca
In the Mediterranean island of Mallorca, Vanheden and Dynamit-Harry team up with Harry's fiancée Doris, while Sickan remains in Stockholm. However, Wall-Enberg's persuasion convinces Sickan to join a daring heist at Las Palmas cathedral, a temptation he ultimately cannot resist.