Navy SEAL Shane Wolfe is handed a new assignment: Protect the five Plummer kids from enemies of their recently deceased father -- a government scientist whose top-secret experiment remains hidden in the kids' house.
Pleasantly plump teenager Tracy Turnblad auditions to be on Baltimore's most popular dance show - The Corny Collins Show - and lands a prime spot. Through her newfound fame, she becomes determined to help her friends and end the racial segregation that has been a staple of the show.
When an amateur photographer notices "HELP" scrawled on a fogged window in a picture she took of an old house, she begins to suspect that the man living there isn't as mild-mannered as he seems.