I check the Range Rover dash. The keys are in there.

The sirens are closing in. There's a police helicopter coming over the hospital.

I have to decide. Decide right now. I can keep out of trouble. Not get involved. Just run away through the park and go home and pretend none of this has happened.

Or I can help Becca.

I stare into her eyes. Those deep blue eyes. Just for a split second.

I tell her, 'get in the car'.

Joe and Becca uncover a deadly secret. A lethal bioweapon is about to be unleashed. Millions will suffer a terrible death.

Now they are being hunted down.

And their problems have only just begun …