Horatio and the CSI team are pit against Miami's Russian mob after a barbaric double homicide in the Everglades.

When pirates take over a luxury yacht, Delko's future as a CSI is threatened just as his relationship with Calleigh moves to the next level.

Horatio Caine calls Las Vegas CSI Ray Langston to come to Miami when a severed leg found in the Everglades is discovered to belong to a girl who went missing in Las Vegas a week earlier.

The crossover continues on CSI:NY S06E07 Hammer Down (II) and CSI: Crime Scene Investigation S10E07 The Lost Girls (III).

When America's sweetheart, Phoebe Nichols, bursts into flames during a concert, the CSIs expose the dark side of pop stardom.

The team investigates the axe murder of an office receptionist who was not well liked by her colleagues...

Three hard partying, callous and seemingly unconnected young 20-somethings head to Spring Break for a wild time and end up in the morgue...

In a deserted mansion, the CSIs find a body hanging that appears to have been killed by a vampire.