A new revelation puts Howard Prime and Quayle in jeopardy. Life at Echo is disrupted. Clare reconnects with her past.
Howard Prime, Quayle and Clare must unite against a common enemy. Emily Prime turns her investigation towards her other. Yanek probes Howard's past.
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.
Imprisoned on the Other Side, Howard's loyalties are tested. Emily Prime gets a promotion.
While hiding in Howard's life, Howard Prime must avoid detection at home and at the OI. Quayle and Clare struggle to adjust to their new arrangement.