The newest incarnation of the famous Starship Enterprise has startup problems and captain Kirk decides to keep the new flagship in spacedock. An ergent mission requires him to venture out into space once again. A group of renegades lead by a vulcan has stages a hostage situation on the planet Nimbus III and captured several ambassadors. This vulcan, Sybok, has an obsessive mission to find God. Sybok is Spock's half brother. Sybok is an outcast because of his extreme ideas en violent tendencies. A Klingon captain joins the renegades. The small forces manages to take over the Enterprise.