Here's the official guide of Zero Hour episode 4 "Chain". This episode airs on Thursday, March 7 on ABC.
WHO IS LAILA GALLISTON? MORE CLUES TO THE CONSPIRACY ARE REVEALED ---
- White Vincent, wounded and in trouble, is still in hiding and holding Laila captive.
- Sensing his weakness and vulnerability, Laila convinces White Vincent to let her help him with his wounds, all the while looking for an opportunity to escape.
- Realizing he needs help to get the next clock, White Vincent enlists Hank, bartering Laila's release for his service.
- As Hank risks his life and dodges ominous warnings from the Shepherds, he comes to realize that people aren't always who they seem to be when shocking new information regarding his wife - and the death of Beck's husband -- comes to light.