Alex tries desperately to save his patient Gus while he waits for a severely agoraphobic blood donor to arrive from London. Jo reveals to Meredith why she’s been so down, while Catherine and Bailey hold a meeting to get down to the bottom of an insurance issue. Meanwhile, Maggie and Jackson go camping.
The team on the ground flights to survive the threat they face on the new planet. Meanwhile, Raven must join forces with an unlikely ally to save everyone on board the Mothership.
After a collector of classic cars is killed, Lucifer and Chloe search for the culprit -- as well as some closure to their relationship.
When a jewelry designer is murdered, Lucifer and Chloe strive to solve the case without each other's help. Also, Lucifer reconnects with an old flame.