Marine for Hire: A best friend's little sister military romantic comedy

Sam Kercher is a walking, talking, hulking specimen of a U.S. Marine.
So why is he toting a diaper bag instead of a sniper rifle?
When Sam's military pals call in a favor, they force him to face a new line of duty.
He's going undercover as a nanny for their newly divorced sister and her twin boys.
If Sam can assemble an M16 in his sleep, diaper duty should be easy, right?
But Operation Nanny isn't so simple.
Sheridan's sworn off overbearing military men, thanks to her dirtbag ex.
Sam's pledged to...