Complex sentence: With gadgets from Herb, Scarlet's husband, the Minions successfully break into the Tower of London, but the crown is already being delivered to the Queen, so they steal it from the Queen's carriage with the police in pursuit.
Split into simpler sentences: With gadgets from Herb, Scarlet's husband, the Minions successfully break into the Tower of London. The crown is being delivered to the Queen, so they steal it from the Queen's carriage with the police in pursuit.