Season two finds the Crossing closed and each Howard stranded in the other's world. As a cold war escalates between worlds and deepens the divide, both men find themselves growing increasingly like the other.
Howard is transferred to a mysterious prison called Echo. An unexpected visit gives Emily a connection to her old life. Emily Prime and Shaw's investigation is met with resistance.
The fallout of the lockdown casts suspicions around the OI. Howard and Emily Prime find clues about the history of Management. Clare questions her allegiances.
Management makes a historic decision. Emily sends a warning. Quayle, Clare and Temple investigate the final Indigo cell. Howard Prime reaches out to an old contact.