Cody asks Jess to help his mother , so he takes a knife and jumps into the water to cut the net .
Despite trying to warn the mermaid away , Cody and Jess are unable to stop a fishing net from trapping her .
Cody asks Jess to help Cody 's mother , so he takes a knife and jumps into the water to cut the net .
Despite trying to warn the mermaid away , Cody and Jess are unable to stop a fishing net from trapping her .