Complex sentence: The CEO, Niander Wallace, wants to discover the secret to replicant reproduction to expand interstellar colonization, and sends his replicant enforcer Luv to steal Rachael's remains from LAPD headquarters and follow K to Rachael's child.
Split into simpler sentences: The CEO, Niander Wallace, wants to discover the secret to replicant reproduction to expand interstellar colonization. He sends his replicant enforcer Luv to steal Rachael's remains from LAPD headquarters and follow K to Rachael's child.