They met at a party. It was hate at first sight. Until a chance encounter in the bathroom led to an alliance of souls. Soon they were telling truths of marriage, mortality, and love, secure in a kind of intimacy no man could ever know. Only best friends understand devil's food cake for breakfast when nothing else will do. After years of shared secrets, guilty pleasures, family life and divorce, they face a crisis that redefines the meaning of friendship and unconditional love.