Simon takes one wobbly step toward her, then staggers and goes down to one knee.

"River."

He closes his eyes, squeezes them shut in an attempt to banish the roiling black fog surrounding his vision, his thoughts.

"Gave me ... not sure what it was. Symptoms ... c'nsistent with hyoscine. Or sodium thiopental. Asked me. Things."

A pause. One hand wanders out unsteadily, rises as though to forestall anyone interrupting.

"Shh, shouldn' ... say anything. Monitoring. Got to be."