Complex sentence: The next day, Laing is taken to the 40th story penthouse to meet Royal, he finds an opulent rooftop garden and is invited to a party being thrown by Royal's snobby wife, Ann (Keeley Hawes).
Split into simpler sentences: The next day, Laing is taken to the 40th story penthouse to meet Royal. There, he finds an opulent rooftop garden and is invited to a party being thrown by Royal's snobby wife, Ann (Keeley Hawes).