The S.C.U. investigates the death of a college student. Initially deemed a suicide, the team discovers the boy's death was in fact a drug-fueled homicide. With Backstrom's unorthodox investigative techniques, the team must utilize all of their individual skills and work together to catch the killer. Meanwhile, Backstrom's doctor Deb Chaman threatens to fail him on his physical if he doesn't start making healthy choices, and prescribes him to make one new friend.