11-year-old Jim Kipp and his mother, Tressa are spending some time at her mom's house in the swamps of Houma. Jim is introduced to the mysteries and the danger of the swamp while Tressa struggles to bond with Jim.

Dr. Arcane attempts once again to obtain the bio-restorative formula from the Swamp Thing. However, this time Arcane has a helper, and the Swamp Thing knows her as his late wife, Linda Holland.

Arcane has unleashed his latest mutant monster into the swamp to eat everything it sees and if this test trial works, then more will be released. To ensure that the Swamp Thing does not interfere, he takes a hostage and bargains for immunity.

One of Arcane's mutants arrives in the swamp to exact revenge on him. The Swamp Thing tries to make him understand how to live with what he is.