Peter Ciuffa

When a perfectly healthy woman is found dead from a disease she never had, the Fringe team investigate the origin of this inexplicably fatal condition before it claims more innocent victims.

The investigation into a murder and a missing persons case leads Kennex and Dorian into the world of sexbots; Kennex tries to deal with his past.

Chad hopes to fight with the Fifth Column in a bid to redeem himself from being used by Anna, and Erica goes in search of Dr Sidney Miller to find out what Red Sky is - and learns the secret of why the Vs are present on Earth.

Eight out of the original 25 suspects strive to be one of the few final survivors as all answers are finally unveiled in the series finale.