Ben teams up with and Olive to track down where these 11 passengers were taken. They realize the government didn't just lose track of them; they were spirited away by a mysterious entity known as Unified Dynamic Systems (UDS) .
The story begins with falling into a sudden, unexplained illness. He develops a high fever and starts speaking in a foreign language (Bulgarian), screaming "Help me!" in a voice that isn't his own. Manifest_S01e06
Every time the scientists shock Marko's brain or subject him to stimuli, Cal reacts in the hospital with the same physical trauma. Cal has become a human radar for the suffering of his fellow passengers. Michaela’s Investigation Ben teams up with and Olive to track
Ben discovers that UDS is conducting painful experiments on these "forgotten" passengers to test their connection to the Callings. He develops a high fever and starts speaking
While Ben focuses on the science and the search, uses her position in the NYPD to investigate the shipping containers where the passengers are being held. She faces resistance from her partner, Jared , who is torn between his duty and his lingering feelings for her.
In Episode 6 of Manifest , titled the mystery shifts from individual "Callings" to a conspiracy involving the missing passengers of Flight 828. This episode is a turning point where Ben Stone realizes that being a passenger makes him part of a larger, more dangerous experiment. The Mystery of the "Fever"
Ben and Michaela soon discover that Cal’s condition isn't biological—it's . He is physically feeling the pain of another passenger, Marko Valeriev , a Bulgarian man who was among the 11 "missing" passengers who had no families to claim them when the plane returned. The Unified Theory