Dr. Franck is asked for help by the husband of stage actress Ellen Schäfer, whose lover has been killed after she had an argument with him. The man believes his wife is guilty but cannot remember what happened because probably being in state of shock: Mrs. Schäfer should be indeed in a fragile emotional state after a heart transplantation, performed by the same lover, a well-known surgeon. But Dr. Franck suspects that the truth is much different.
—AleX_DJ