The CSIs investigate when the parents of a baby sitter in an upscale neighborhood are murdered. As the team sorts through the neighbors' secrets and lies, they find an unexpected love triangle as a motive for murder. Meanwhile, a key piece of evidence found at the crime scene leads Horatio to expose a doctor with some dirty secrets of his own.
The Sad Song — Fredo Viola
Horatio Caine finding the baby sitter's mum's corpse.
Rewind — Paolo Nutini
At the end of the episode after the babysitter and the doctor are arrested and while Alex is looking at the babysitter's parents and Horatio is at a cemetery with a relative of a victim of the doctor.
Night Shift (feat. Abstract Rude) — edIT
When Boa Vista examines the fly :)
Sovatex 2055 — Marsmobil
The ambient/electronic music briefly playing while the backhoe exhumes the grave.