David meets a time traveller who'll hopefully save his life while Division 3 seeks to end it.
Jonas returns to 2020 to save everyone. Things go terribly wrong. Or, do they?
Claudia tries to stop her father Ego from dying in '87. Back in '54, Ulrich gets a visit from a familiar face.
Jonas goes back to the day before his father commits suicide in 2019, hoping to alter the course of time.
Jonas learns more about the Apocalypse from Adam.
Dr. Arcane finds out more about the Green Flu as it spreads further and more dangerously through Marais.
Jonas wakes up in 1921. In 2020, Charlotte and Hannah piece together what they know.