Viewers will see Dr. Athena Morrow (Carrie-Anne Moss) worried in "Humans" Season 2 episode 4. She will then be confronted by Milo Khoury (Marshall Allman).
Mia (Gemma Chan) and Ed (Sam Palladio) will grow closer in the episode. In "Humans" Season 2 episode 1, Mia told Leo Elster (Colin Morgan) that he was putting them all in danger to save more of their kind and in an attempt to learn more about humanity, she went to work as a worker synth.
Hester (Sonya Cassidy) will exert power over Leo in "Humans" Season 2 episode 4. On the other hand, DI Karen Voss (Ruth Bradley) and DI Pete Drummod (Neil Maskell) will delve deeper into the Seraphim investigation in the episode.
With Morgan, Moss, Allman and Palladio, the main cast of the sci-fi series playing humans includes Lucy Carless as Matilda "Mattie" Hawkins, Pixie Davies as Sophie Hawkins, Tom Goodman-Hill as Joseph "Joe" Hawkins, Katherine Parkinson as Laura Hawkins, Theo Stevenson as Toby Hawkins, William Hurt as Dr. George Millican. Joining Chan, Cassidy and Bradley as synths are Emily Berrington as Niska, Ivanno Jeremiah as Max and Will Tudor as Odi.
Written by Joe Barton and directed by Carl Tibbetts, "Humans" Season 2 episode 4 will air on AMC on March 6, Monday, on 10:00 p.m. Watch Moss in the following clip: