Brianna 's father is the initial suspect , but new clues lead elsewhere .
Brennan and Booth investigate the death of Brianna Swanson , a young beauty queen whose decomposed remains are discovered at a water filtration plant .
beauty queen 's father is the initial suspect , but new clues lead elsewhere .
Brennan and Booth investigate the death of Brianna Swanson , a young beauty queen whose decomposed remains are discovered at a water filtration plant .