Nikki is always happy to baby-sit for her friend Laura's adorable twins, Zack and Anna. But now the babies' mom is unavoidably delayed -- and Nikki needs help! The babies' uncle, Seth Baxter, comes to her rescue! But the man is gorgeous -- can she really spend every minute of every day with him? It's tough, especially as Nikki is determined not to get close to anyone ever again. But playing at happy families with Seth shows her that he could be the man to change her mind...and her life....