Booth asks Brennan to help locate and identify the remains of a six-year-old boy, Charlie, who went missing from a local park.

A human finger bone found in the clutches of a drowning victim leads to a search for buried treasure.

Brennan receives some bones to identify, but is stunned when she discovers that the remains are those of her mother who disappeared when she was 15 years old. The determined date of her mother's death leaves Bones confused and angry.

When the remains of a young pregnant woman and fetus are found in the Delaware Bay and identified as a newlywed who disappeared a year earlier, the investigation is aimed toward her husband, but takes a surprising turn. Booth is upset that his ex-girlfriend is letting their son spend time with her new boyfriend.

The notorious serial killer, Howard Epps, sets his prison cell on fire as part of a daring prison escape. Brennan is his target and her entire team is placed in danger.