The document summarizes key events and characters in Virginia Woolf's novel Mrs. Dalloway. It introduces the two main storylines that take place on a single day in London: Clarissa Dalloway prepares for a party while dealing with memories from her past, and shell-shocked war veteran Septimus Smith struggles with mental illness and considers suicide. As the day unfolds, these storylines converge at Clarissa's party where guests bring news of Septimus' death by suicide.