When lonely single mom Janey stumbles into an art workshop, she can't believe her eyes when her left hand mysteriously scribbles a picture of two little girls and a strange message from someone called "Hattie: " Janey's childhood best friend. But they lost touch after Hattie's family suddenly moved away in mysterious circumstances. Janey's instincts tell her that she must finally find out what happened to Hattie, but life is already complicated enough: she's struggling with motherhood, a custody battle over her toddler son Pip is looming, and she finds herself falling for intense art tutor...