After the woman who assumed Chief of Detectives Carver's deceased sister's identity turns up dead, and the evidence continues to mount, Mac begins to suspect that Carver may have been responsible for both murders.
When a woman's body washes up at the South Street Seaport, the CSIs unravel a dark secret from Deputy Chief Carver's past that threatens to shatter his stellar reputation and close-knit family.—CBS Publicity