Clare's past is revealed. Quayle suffers through his own birthday party.

Howard attempts to thwart the Guest's plans. Howard and Emily chase Kaspar.

A crisis at the O.I. leaves both Howards stranded.

The aftermath of the Indigo school discovery takes an emotional toll. Quayle grapples with his wife's new identity.

Aldrich questions a not-too recent death in the office. Emily, Howard and Shaw follow a lead.

Howard Silk discovers the truth about where he works. The Office of Interchange searches for an assassin.

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.

Howard must work together with his counterpart. Baldwin comes face to face with her past. Emily, from the other side, tries to make sense of her orders.