But the mystery of Austin's identity becomes more convoluted.

He turned his attentions to the mystery of her identity.

At last there is real vividness to the mystery of Thomas's self-denying identity.

The mystery of her identity was about to be solved.

Before long, the mystery of Austin's identity become more convoluted.

The tension was heightened by the mystery of the piano teacher's identity.

But the mystery of Bjornstrom's real identity was a problem that could wait.

But the mystery of his father's identity lingers in his mind.

The only way to save his child is to unravel the mystery of the killer's identity.

As the series progresses, she learns more about the mystery of both Haven and her true identity.