TRAUMA by Gabi Kubach

What happened to Maria, a young woman controlled by a depression since her daughter disappeared?
A young detective, Anna, starts the investigation in Maria’s house. Even during the day, the ocean fascinates Maria.
At the end of the day Anna undergoes a strange and disturbing transformation. The sea seems to hold a strange power over her, source of dizziness, which makes her pray for the most insane illusions.