Teen tennis player Jana Ziegler was beaten to death in the same club shower where her father Volker beat to pulp her rapist, earning him years in prison. they bickered to evening before, at the welcome home party for his parole. Reuther finds that Jana, whom Schubert's successor Max Fischer instantly mistrusted, actually kept silent about her affair with the 'rapist', whose widow Monika Majewski knew and seeks revenge, while her stepdaughter Leonie Dohmke was Jana's club rival, and Leonie's mother Rosalie Dohmke feared Jana's secret could compromise the parole. Reuther still finds and corners another lurking suspect.
—KGF Vissers