Chin is kidnapped and taken to the Halawa Prison, where he is dressed as an inmate. He must find a way out before his identity is revealed.
Monroe's old girlfriend Angelina returns to Portland and he discovers he may pay the cost for associating with a Grimm. Meanwhile, Renard receives a visitor of his own from Europe.
Betrayed, left with no other option but to run, the crew of the USS Colorado will have to fight for its survival.