Watch TV Series Sweetpea SKY Network Online Free. Sweetpea tells the story of Rhiannon, your average girl next door, who is living quietly with her boyfriend and little dog. By day her job as an office manager is demeaning and unsatisfying. By evening she dutifully listens to her friends’ plans for marriage and babies. Rhiannon never complains, smiling through it all with reserves of serenity and a sparkling wit. She has become skilled at keeping it together.