The whole team investigates the crime scene of an indoor amusement park when a young girl is found suffocated in the bathroom. They must track down the relentless man responsible for the heinous crime quicker than usual, as everyone on location has been detained until they can be cleared. What looks to be like a regular attempted kidnapping turns out to be much more than any of the detectives had bargained for.

Horatio and his team must uncover the evidence in the brutal murder of an entire family in their own home. The only survivors are a blood-soaked toddler, and the father who is in surgery. The immediate assumption is that the mother is responsible—postpartum depression—but the evidence discloses a shocking, different outcome.