In Thank you, Ellie, we first met Grace when she became lost during a family picnic. Facing a series of tough and scary challenges, she discovered an inner strength and made an unexpected friend who changed her life: Ellie. Thank you, Grace continues the story. Almost immediately after returning safely from her adventure in the forest, Grace becomes aware that now it is Ellie who needs help. With the support of her brother Tommy, the children embark on a rescue mission while at the same time confronting difficult situations at their schools.