1 Down with the Sickness
Following an urgent trip to the Arctic, a scientist and his friend are quarantined with an illness that soon escalates into something sinister.
★ 7.0 2 Blood Brothers
Michael continues to prowl for victims while Luther struggles with a traumatic loss and painful accusations. Also, Kaylee makes a connection.
★ 6.8 3 Because I Could Not Stop for Death
The government struggles to contain and understand the outbreak. Kaylee interviews Luther's ex-wife while Danika pays her sister a visit.
★ 7.0 4 Bad as Me
Luther pleads with the DNS to bring in Michael alive, but other pursuers have less peaceful intentions. Meanwhile, Danika's urges grow stronger.
★ 7.0 5 Cold Cold Ground
As Michael and his followers settle into new accommodations, a tough-talking general takes control of the DNS. Also, Luther witnesses a brutal act.
★ 6.8 6 It's Not Enough to Have Lived
Desmond's health worsens, forcing Luther down a dangerous path. Later, Luther receives a surprising offer and Michael lays down the law.
★ 6.8 7 The Night Is Darkening Round Me
Suddenly on his own, Desmond calls on his mother for help. Danika urges Michael to think bigger. Mila tries using her strength for good.
★ 6.8 8 Red Rain
Luther connects with a Washington insider who has a plan to keep society from collapsing. Ava sets out to get proof of the DNS internment camps.
★ 7.0 9 The Junkie Run of the Predator Gene
Luther's testimony rattles a few cages. Desmond and Amélie investigate an unsettling noise. Danika and Michael hit the town.
★ 7.0 10 Bloody But Unbow'd
An official truce is announced but complications quickly arise, threatening the lives of humans as well as Bloods.
★ 7.0