It?s all come down to this! As their lives are literally tumbling down around them, the Titans must contend with the betrayal of their most troubled student?who has just unmasked themselves as Red X?plus a familiar face from deep in their darkest days, determined to exact an unholy vengeance upon Nightwing. In the end, after the epic collision of past, present, and future, who and what of Teen Titans Academy will still be standing?