Warring London neighbors Winston and Bernice share an empty patch of greenery lost to time, but when Winston receives photographs of the garden in bloom many years prior, they decide to lay down their arms to revitalize the garden and help revive the community spirit that's been languishing for so long.

When Ridge, a time-traveling teenager from the future, gets trapped in 1999, he befriends Michael, a lonely twelve-year-old boy, changing the course of their lives forever.