"The Strong family is having a reunion in New Orleans, and twelve-year-old Tristan is supposed to be keeping an eye on his younger cousin Terrance when several things happen at once: he sees his archenemy, King Cotton, and a mysterious girl grabs his magic cellphone--her name is Seraphine, and she seems to know everything about Tristan and the god Anansi (currently inhabiting the cellphone), and she has a mission for Tristan, one that is going lead...

In trying to determine which of his six sons to reward for saving his life, Anansi the Spider is responsible for placing the moon in the sky.