Type-A personality, Ava, owns “Rent-an-Elf,” a business in which she sets up a memorable Christmas for busy families. This year, she's hired by the newly-single Liam and falls for him and his adorable son, Nathan. But, just as Ava thinks she’s found her match, Liam’s ex-wife returns, wanting to patch things up. Even though Ava decides to put Liam and Nathan's happiness above her own, she's still determined to give them the best Christmas ever, and maybe even hope for a Christmas miracle or two.

Gou has woved to find the legendary treasure of Salamander. Searching for it he meets Ren, a fairy, who is looking for the four treasures of Heart. Gou's childhood friend Mari is frustrated with Gou running after treasures, but befriends with another fairy Rin. Gou and Ren's treasure hunt messes with a secret project led by Mari's father. It turns out Salamander isn't what Gou thought it was in the first place...