Victor is both thrilled and mystified when his family moves into his grand-uncles somber mansion filled with African masks, taxidermy crocodile mounts - and a dark secret: Four decades ago, his grand-cousin Cecilia, at the same age as he is now, lost her life in the mansions impressive staircase, and the circumstances of her death still remain obscure.

The Wagners' marriage is as good as over. But just as the couple are on vacation in Tenerife, a boat carrying black African refugees lands. Eleven-year-old Jamaal is hiding in the couple's vacation bungalow. Jamaal's father supposedly lives in Germany. Should the Wagners help him escape to Germany? And will Jamaal perhaps save the Wagners' marriage? Then: Thank you, colored refugee child!

Will Milla and her friends be able to save the seal "Knopfauge" and the seal station from the greedy Hajo Ehlers? Ironically, Ehler's son Henry, whom Milla knows from school and doesn't like, turns out to be a great help.