1The First Wave
Rachel et Lily sont deux voisines qui font face à une nouvelle souche mortelle du virus...
2The Second Wave
Lily figures out what to do with her dangerous client. Rachel attempts to gather evidence from her various patients to present to her husband, who works at the CDC.
3The Third Wave
Rachel attempts to coax confidential CDC information from Zach. Lily tries to continue pursuing her career dreams despite the chaos.
4The Fourth Wave
Rachel continues to seek information regarding the virus, while also managing an alarming situation in Lily's life. Meanwhile, Zach is under scrutiny at the CDC.
5The Fifth Wave
Rachel enlists Lily's help with an important task in order to further her mother's medical research into a cure. Zach learns surprising information from his CDC colleague and former lover.
6The Sixth Wave
Racing against time, Rachel and Lily are forced to make a decision that could alter their lives in order to save humanity.