Sister's Love was a chart-topping girl group that had it all: fame, fortune and then failure. After three years apart, sisters Harmony, Melody and Lyric were forced back together after the death of their mother, the infamous Ava Love. Harmony is piecing her life back together after learning that her husband slept with her sister Melody and relapsed into addiction. After her younger sister Lyric has a near death experience, Harmony meets a handsome stranger who makes her question whether she ever really loved her husband. Will she be a two-timer, or will she give up on her marriage?