In 2012, photojournalists John Cantlie and James Foley chase a scoop in Syria, but their reporting draws the attention of jihadists, and the net closes in on them.

The kidnap of John and James sparks a perilous manhunt as Islamic State emerges, more journalists join them in captivity and survival becomes a desperate struggle.

After the murder of James shocks the world, John appears online in Islamic State videos, raising chilling questions about loyalty, coercion, and survival.