As a huge tsunami heads directly towards Miami, a ten-hour warning gives citizens just enough time to evacuate the city. In the chaos, two people are killed in a parking lot and the evidence leads Horatio to discover a plot to rob a bank timed to take advantage of the evacuation.
Sam (Scott Bakula) leaps into the life of a Miss Deep South beauty pageant contestant (Theresa Ring) to keep a naïve fellow contestant from destroying her life by posing for nude photographs.
An advanced starship searches for the cure to an alien virus that could kill everyone on Earth.
Galen persuades Gideon to seek a mystical crossroads. An investigator probes Matheson's mind.
Galen warns Gideon not to explore a planet where the inhabitants were suddenly eradicated.