After discovering that the spy agency he works for is hiding a gateway to a parallel dimension, a low-level UN bureaucrat in Berlin is thrust into a shadow world of intrigue and danger and must determine if he can trust his near-identical counterpart in the other world.
Howard Silk, a lowly cog in the bureaucratic machinery of a Berlin-based UN spy agency. When Howard discovers that his organization safeguards the secret of a crossing into a parallel dimension, he is thrust into a shadow world of intrigue, danger, and double cross. The only man he can trust is "Prime," Howard's near-identical counterpart from this parallel world.
Howard and his counterpart must work together; Baldwin comes face to face with her past; Emily, from the other side, attempts to make sense of her orders.
Both sides turn to diplomacy to resolve a conflict. Emily obtains a special visa. Howard interrogates a suspect.
Both Howards deepen their investigation of the conspiracy; Quayle meets one of Howard's sources; Clare must decide what to do about Baldwin.
Howard discovers another side of Emily; Howard and Emily search for answers about a mysterious drop site; Aldrich and Quayle seek intel from an old friend.
Aldrich questions a not-too recent death in the office; Emily, Howard and Shaw follow a lead.
Clare's past is revealed; Quayle suffers through his own birthday party.