Tracer has a slight problem. Ever since her mission to London, she's unable to get her mind off Widowmaker, who incidentally faces similar problems herself. But the price for their mutual affection is a high one, coming at the cost of more than they ever imagined. Soon they find themselves facing off new threats and old enemies with unexpected allies. Widowtracer. Pharmercy later.

As the unwitting personification of Death, reality exists to Lily through the veil of a backstage curtain, a transient stage show performed by actors who take their roles only too seriously. But as the Girl-Who-Lived, Lily's role to play is the most important of all, and come hell or high water play it she will, regardless of how awful Wizard Lenin seems to think she is at her job.