Under Wraps 2 picks up as Marshall, Gilbert and Amy are getting ready to attend Amy's father's Spooktacular Halloween-themed wedding to his fiancé Carl. However, plans soon go awry when the three friends discover their mummy pal Harold and his beloved Rose may be in danger. Sobek, an evil mummy with a 1000-year-old grudge against his best friend-turned-bitter-rival Harold, is unexpectedly awakened and out for revenge. With help from his hypnotized lacky Larry, Sobek kidnaps Rose. Gilbert, Marshall, Buzzy and Harold must use their skills once again to save her and get back in time to attend the wedding.