A musician, who created a controversial algorithm that generates hit songs, helps Team Scorpion find a music blogger's murderer. Meanwhile, Drew asks Walter to help him connect with his son.
Beckett and Castle are tasked with solving the murder of man who handed a baby over to a priest just before he died. While playing nanny to the lost child, they must figure out who killed the man, how did he come to have the baby, who isn't related to him, and where are the rightful parents.moreless
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.
Deb and the police catch Ray Speltzer. They work him and get a confession. After a video of Ray's arrest reveals that the officers did not properly Mirandize him, they are forced to let him go. Dexter realizes that this is his chance to take Ray out in his own special way. Dexter realizes that some things have to change if he can continue to keep himself separate from guys like Ray. The strip club is still being raided and Isaak has had enough. He decides to give the police what they want, even if it means framing an innocent man.moreless
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.