- Miles and Monroe face off with deadly consequences.
- Rachel and Aaron encounter obstacles in quest to reach the tower.
- When the past catches up with Miles (Billy Burke) and Monroe (David Lyons) in the form of mutual heartthrob, Emma (Annie Wersching) all hell breaks loose for them physically and emotionally.
- Charlie (Tracy Spiridakos) and Nora (Daniella Alonso) are the ones who rescue Miles this time.
- Meanwhile Aaron’s (Zak Orth) life is turned inside out while accompanying Rachel (Elizabeth Mitchell) on her tenacious trek to the mysterious Tower where she plans to restore the power.
- Also starring Giancarlo Esposito, Leslie Hope, Malik Yoba, Mark Pellegrino and Maureen Sebastian.