Cicero and Casca meet on the street. Cicero asks why Casca is breathless and frightened-looking. Casca is afraid of the storm that rages about them. He has seen a man's arm catch fire, but he did not seem to feel it, and he passed a lion, but it did not disturb him. An owl, which is a bird of the night, was seen in at noon in the marketplace. Casca believes there must be "civil strife in heaven" for all of these awful portents to be occurring. Cicero is unconcerned and says that people will interpret things as they think to be right, even though they are probably wrong. Cicero leaves for home.
Cassius enters, apparently enjoying the chaos occurring in the city. He tells Casca he even undid his shirt and.....