After a computer malfunction,Worf, his son Alexander Rozhenko, and Counselor Deanna Troi are trapped in an Old West holodeck program wherein the interactive characters physically resemble and have the same enhanced abilities as Data.

Picard, Worf, and Dr. Crusher are reassigned from the Enterprise to a secret mission. Meanwhile, the Enterprise is under the command of Captain Edward Jellico, who immediately starts making changes, much to the dismay of the crew.