Complex sentence: Having rekindled his relationship with Liz, the two of them divise a robbery, Liz holding up the store with a gun, while Max goes underneath the store to locate the ship.
Split into simpler sentences: Having rekindled his relationship with Liz, the two of them hatch a plot. They stage a robbery, Liz holding up the store with a gun, while Max goes underneath the store to find the ship.