Franklin meets Omega outside of his trailer in Sandy Shores, he is searching around his trailer for signs of alien life forms. He scans Franklin with his detector and asks him if he has seen any alien life forms. He explains that he had a close encounter with aliens and that they named him “Omega” but just before they abducted him, their spaceship crashed.
He asks Franklin to collect 50 spaceship parts that are scattered throughout San Andreas. This mission can’t be replayed as it is just a cutscene and there are no real objectives.