在这部大侦探和拉斯穆斯家庭/冒险片中,This particular film is based on an original radio play by same title (which in return was based on the original book), in where Blomkvist and his loyal two friends join forces to solve yet another crime mystery. This one deals with a younger kid, Rasmus, who always wanted to be a part of Blomkvist's detective team, but while they are contemplating wether to accept him or not, he goes missing... - Al Fonz
Kalle Blomkvist and his friends intervene when a professor and his little son Rasmus are kidnapped.
