The starfleets are under attack by the cardassians. The Enterprise, racing against the clock to intervene, is infiltrated. Obrien is badly injured but is desperately needed to activate the emergency escape protocol, but needs data's head to do so. Picard helps by speaking to a starfleet scientist who helps Picard Readjusting the environmental transporter program with toranium beam emitters while Obrien is Lost in the temporal flux. This allows Obrien to activate the emergency escape protocol without data's head, allowing the enterprise to help the starfleets in time , saving the day.