How does the interaction between brutus and his servant lucius develop the plot of act 4 of the tragedy of julius caesar? brutus asks lucius if he cried out during his sleep to check if he imagined the ghost of caesar. brutus asks lucius to him plan his military strategy against octavius. brutus assures a frightened lucius that the ghost of caesar is not real and sends him back to bed. brutus and lucius share the vision, fear the ghost of caesar, and try to comfort one another back to sleep.