The BAU investigate a gruesome case involving dead bodies and graffiti art. Newcomer Dr Tara Lewis struggles to maintain a work-life balance.
When an apparently dead man suddenly springs to life on the autopsy table, Rosie is thrust into a shady world of secrets and lies.
The team investigates a shipwreck carrying exotic animals that now threaten the native wildlife on Oahu; Alex sustains a career-ending injury; Kai asks a fish and wildlife agent out on a date.