Sam Holloway has survived the worst that life can throw at you. But he's not really living. His meticulous routines keep everything nice and safe - with just one exception . . .
Three nights a week, Sam dons his superhero costume and patrols the streets. It makes him feel invincible - but his unlikely heroics are getting him into some sticky situations.
Then a girl comes along and starts to shatter the walls Sam has built around himself. Now, he needs to decide if he's brave enough to take off the mask, and to confront the grief he's been avoiding for so long . . .