David Castlellaw is anxious to revive Kate's Time--the time-management phone app that was the brainchild of his dearly departed girlfriend. With half a dozen loyal employees depending on him, he doesn't have the bandwidth to add another distraction to his overloaded, stressful life--certainly not the time to delve into the mystery of Aubrey Wisheart, the strange young woman who shows up at his new offices with a mop and a handful of wildflowers. Is she just a janitor or is she something more?