The sequel to I'll Be Your Gerard If You'll Be My Frank. It's two years later and it's time for the boys to grow up.

8-year-old BREE is a very hyperactive, cheerful girl. She loves ballet and classic music. She’s a smart, caring and mature for her young age. However, losing her twin sister, Becca, to leukemia a month ago has brought sadness into her home. Grieving, her parents, HARRY and BLAIR decide is best for her and her teenage sister JESS to move out and find some piece of mind. As scary situations develop, her parents decide to move out. Bree doesn’t want to leave the house but she has no choice.

After the death of his wife, Simon Fuller moves to a new home, with his two daughters. One day, his daughter introduces a new imaginary friend - Nathaniel. She 'gives' Nathaniel to her father, telling him he can keep the boy "forever". Simon tries to find out who the boy really is, but is unable to. Questioning his daughter, she tells him, again, that it's Nathaniel, but he prefers to be called by his nickname, Mr. Boogie.