What if the curse is the price of true love?Innocent blood spilled on the steps of the Council Hall, bound by the fortress of the Shadowhunters After the tragic death of Libya, the Blackthorne Conclave is teetering on the brink of Civil War. Part of the Blackthorne family escapes to Los Angeles in an attempt to discover the source of the "death", which destroys the race of magicians. Meanwhile, Julian and Emma take desperate measures to throw their forbidden love aside and embark on a dangerous mission of Faerie to bring back the Black Volume of the Dead. What they find in the Courtyards is a mystery that can tear the Twilight world apart and open a dark path into a future they could never have imagined.. Caught in a race against time, Emma and Julian must save the world of Shadowhunters before the deadly power of the parabatai curse destroys them and everyone they love.