Star Trek 3: Groundbreaking

In 2285, the Federation starship Enterprise, damaged in the battle with Khan, returned to Earth's space port for repairs. Kirk is still grieving Spock's death. Dr. McCoy showed various abnormal behaviors: such as breaking into Spock's original cabin that was blocked without authorization, talking nonsense, etc. Finally, he was sent to the hospital for a mental examination. Scotti was assigned to the Federation starship Essence. Starfleet Command issued a no-entry order to the newly formed Genesis Star. Kirk was informed that the Enterprise was about to be decommissioned. Spock's father, Sarek, found Kirk and told him that Spock's body must be returned to Vulcan, otherwise his soul will not rest in peace. Sarek demands that Kirk must return to the Genesis planet, retrieve Spock's coffin and bring it back to Vulcan - and Spock performed a mind-meld with McCoy before his death, so McCoy with Spock's soul must also go to Vulcan. However, Starfleet refused to let the outdated Enterprise leave the spaceport. After hearing the news after coming out of the hospital, McCoy attempted to recruit a spaceship to return to the Genesis Star. He was arrested during an argument, but this did not affect the overall plan: with Kirk, Scott, Sulu, Uhura and Chekov's gang...