Gunnar and Ulf are neighbors. They are both lured into a life of crime.

At a summer-evening dance a young girl meets a man who tells her he is a doctor. They go off together, and after that she never sees him again. She learns that she is pregnant and inquires about him at various hospitals, with no success. She reads of his engagement and becomes acquainted with another girl with a situation like her own.

It's summer. Kalle, Eva-Lotta and Anders have formed a gang, the White Rose. They are in playful battle with Red Rose gang. A relative of Eva-Lotta's mother, Uncle Einar, come to visit and Kalle notice immediately that he is behaving strangely. Einar seems to have hidden something in a closed mine outside town. Two mysterious strangers appear.