Onyx aka Raj and Jacob have a past even though Raj doesn't know who he is yet and whilst I felt the deception was wrong at times I also understand his reasons for it. As they get closer to their final mark things turn deadlier as well as the feelings between Raj and Jacob get stronger and with juggling his roles Jacob's true identity is discovered by some. When everything all comes to ahead it's really stressful and had me chewing my nail beds.
This wrapped up the trilogy well, however I would love to see the characters again later down the track maybe popping up in other books if I'm lucky!