Awakening (2) (S20E10)

In a state of desperation, Jack conducts forensic analyses at the site of Nikki's vanishing. Meanwhile, Thomas is at the airport, prepared to assist but still a day away, leaving Jack with no new leads. Just then, he receives a text with an enigmatic phone number. Anticipating a response from Nikki’s abductors, Jack is taken aback when he finally makes the call and discovers who is on the other end.