When a convicted child molester turns up dead near CBI HQ, Lisbon finds herself at the centre of a murder investigation. Though initially insistent that she is not the killer, the agent begins to doubt her own innocence when she realises that she can remember nothing of the night in question.
Ben returns to Boston to fix a mistake. Meanwhile, three violent home intruders obsessed with the murders that occurred in the house in 1968 terrorise Vivian and Violet.
The team investigate a BMX rider's remains after a failed bike stunt. Booth and Brennan visit the victim's fellow riders.
Dee starts dating a famous local rapper; Mac, Dennis, Charlie and Frank decide to start their own band.
The story of the true father of Vivien's child is revealed, as the man in the rubber suit makes his presence known.