Dr. Killian Jones, comes from a family of Doctors, his brother Liam is a Doctor, and Liam's wife, Regina is also. Killian is a single father of twins Dawn and Dylan. They are 2.5 years old, and Killian finds with his work schedule, he really can't raise the twins on his own. So he decides to hire a Sitter, Emilie Belle, and wants her to live in, since his hours can be sporadic.
Emilie is 21, just out of jail, which she wants to hide from Killian, so she can get the job. She's a genuine, loving person, who has no family, and just needs fresh start. Killian gives her a shot at a second chance.
Liam and Regina are like 34/35