When Gary and Hanley head to an island resort to hunt down a demon, Gary is determined to turn it into a vacation despite the fact that trouble lurks everywhere - even in paradise.

A case concerning a possessed teen leads Gary and Hanley to suspect that a heavy metal band's music is to blame - only to discover that the rockers are not what they seem.

When Steve's wife throws him out, he ends up staying with Gary and they try to build the fraternal relationship they never had. However, it doesn't take long for old sibling rivalries to rear their ugly head.