Hazbin Hotel: Lucifer Morningstar's Evil Plot

Title: "Devil's Playground" Act 1: The movie begins in the human world, where a single father, John Mitchell, a fireman, lives with his teenage son, Ethan, and 8-year-old daughter, Lily. One night, a ghastly phenomenon appears in the center of their city - a portal opens, and during a brave attempt to close it, John inadvertently allows Lucifer Morningstar from VivziePop's animated series, Hazbin Hotel, to enter the human world. Act 2: Lucifer finds human life amusing and decides to stick around but gradually begins to dominate the world to make it a version of his infernal realm. He conceals his true identity, using charm and charisma to sway individuals, turning them wicked. John, sensing something off with the "newcomer", starts investigating Lucifer's activities secretly. In time, he discovers Lucifer's nefarious plans and his true identity. Acquired from his long years as a fireman, John was a brave man and decides to combat Lucifer. Unfortunately, Lucifer learns about John's knowledge and captures his children, Ethan and Lily, as leverage. Act 3: John, filled with desperation, reaches out to noted demonologist, Dr. Abigail, who believes in his story. She explains that the only way to banish Lucifer back into his own realm is a sacred ritual that requires an heirloom - 'The Divine Cross', hidden in a labyrinth under the city. John teams up with other similarly affected individuals and embarks on the perilous journey. They face numerous deadly tests and Lucifer's minions in the labyrinth but finally, retrieve 'The Divine Cross'. Act 4: John, armed with the Divine Cross, confronts Lucifer, who still holds Ethan and Lily. A tremendous battle ensues, exposing Lucifer's true demon form, wreaking havoc in the city. Ethan, using his wit, frees himself and Lily while John bravely holds off Lucifer. Lily, inspired by her father's heroism, fearlessly starts the banishment ritual that Dr. Abigail had taught them. The battle is tense, but eventually, the ritual weakens Lucifer. John seizes the opportunity and strikes with the Divine Cross, banishing Lucifer back to his realm, and sealing the portal forever. Epilogue: The aftermath leaves the city in ruins, but the family is safe. The final scenes reveal John, Ethan, and Lily working together to rebuild their city and their lives. The story ends with the comforting message - no matter how formidable the evil, the strength of unity and love can overcome it. The credits would roll with a hint at a sequel - a tiny, remaining fragment of Lucifer that seems to have been overlooked.