During a training the star gymnast Sally falls fatally. Indeed, the autopsy shows a tumor in the head, but forensic doctor Quincy holds the view that the cause of the fall is the pep pills which Sally has taken before the training. His inquiries in Sally's team are at first fruitless. Their companions insist on protecting their coach Virginia Hard. When a girl, Brenda, wants to do,finally a statement, Carolyne goads the others to make see Brenda as an untrustworthy liar. Brenda appears to be as though she had procured the drugs. Quincy must wade through a mountain of lies to bring the truth to light, in the end.