When the grandmother of the nine-year-old novel dies, there is no one left to look after him. So, hiding in a truck, he makes his own way from Ukraine to Germany to find his mother Oksana, who left two years ago to work as a carer in a senior citizens' household.
Roman can really find his mother, but she has fallen in love with a German man, the 62-year-old widower named Gert Schwartz, and lives with him. Roman, who still loves his mother, is furious with jealousy and fights for her attention by all means.