Lisa Darling - high-flying TV-exec and twice-divorced mother-of-two - has enough on her plate without having to deal with the handsome New Yorker parachuted in to her best friend's job at work.

She's already navigating life with a grotty teenage son, organising a PTA cheese & wine event, supporting her oldest friend through breast cancer treatment and, since she hit 47, facing a new perimenopause symptom every day.