Aaron Craven

As Castle and Beckett investigate the ritualistic murder of a young woman, they find strange symbols in the victim's apartment; Castle struggles with Alexis' decision to move in with Pi.

The Solano family continues to grieve in the wake of their son’s death. The detectives find disturbing evidence in Chloe’s room, while Mark gets caught in a lie of his own. Beth confides in her old friend, PAUL COATES, now the town minister.

Recuperating from the traumatic and alarming meeting with Massive Dynamic founder William Bell, Agent Dunham consumes a powerful "fringe" concoction that Dr. Bishop prescribes to stimulate her memory. Meanwhile, the Fringe Division investigates a series of robbery cases that are tied to shape-shifting. As clues are tracked and memories are jogged, another woman experimented on by Dr. Bishop is introduced and a flashback reveals more about Olivia's visit to the alternate reality.

Detective Miller faces a crisis in her own family that may lead to a new suspect, and Detective Carver has an unexpected visitor at the police station.

As the search for Danny’s killer continues, the Solano family tries to slowly adjust to life without their son by going back to work and school. Meanwhile, Susan Wright is brought in for questioning when the Gracepoint Journal uncovers some disturbing information about her.