Lucas's death was unexpected, but neither Alex nor Kyra are not given a chance to grieve. More and more hybrid Human-Celestials arrive at their mountain home daily. The Sanctuary is nearly filled beyond compacity and their new found responsibilities are testing their limits, both mentally and physically as they fight to protect their new charges from the Shadow-beings. The demonic creatures have overthrown the government, intent ridding the Earth of the Celestials and their creations. However, things go awry when Alex and Kyra are separated during an attack. Now, Kyra is forced to choice between protecting her people or rescuing to the man who raised her....

The epic conclusion of the Immortal series.