To end an apocalyptic war and save her daughter, a reluctant soldier embarks on a desperate mission to cross a frozen sea carrying a top-secret cargo.

A year after a subglacial volcano erupts, mysterious elements from prehistoric times emerge from the melting ice, bringing unforeseen consequences.

To prevent Iran from going nuclear, intelligence officer John Tavner must forgo all safety nets and assume a perilous “non-official cover” — that of a mid-level employee at a Midwestern…