The concept of identical twins has always been a fascinating one. Is there a dominant twin? Can they communicate telepathically? Are they two sides of the same person?
It’s the end of a long, very busy day at the clinic so when the doorbell rings Dr Jenny Davin (Adele Haenel) doesn’t answer it. The following day, police come to the surgery and tell Jenny that a young girl has been found dead with a fractured skull on the nearby bank of the river Meuse; foul play is suspected.