When a newspaper reporter named Polly, comes to the USMC base for an interview, Maj. MacGillis takes exception to the way she describes the corps. But the Major has also fallen in love with Polly, and asks her to marry him.
The Major tries to get to know the girls better by taking them out for lunch and answering their questions about him.
An old war buddy of Mac's comes for a visit and tries to get him to call off the wedding, feeling he is being pulled away from his friends and maybe even the Marines.
The Major has pre-wedding jitters as Polly's parents are scheduled to arrive and meet him for the first time. But the wedding may not get off the ground when a intruder puts the base on full alert.
When the Major and Polly return from their honeymoon, its time to spend some quality minutes as a family. mac would like to watch a football game, while Polly suggests a day of picking peaches.
Polly calls on Mac for help when Elizabeth gets a crush on Lt. Holowachuk.
Polly isn't too anxious to participate in a Marine wives tradition, known as "Jane Wayne Day." This is a day dedicated to the women going through a day as their husbands would.
Robin gets a crush on a young Russian boy when he arrives in the US to play a face to face chess match that had developed from overseas.
Mac is left home as Mr. Mom while Polly heads to jail after refusing to name her source used in a newspaper article.
Sgt. James is leaning towards leaving the Marines Corps after finding success as an "on the air" radio personality, giving advice for the lovelorn.
The Major resents the idea that he is getting old and plans on getting himself into tip top shape to prove he is still virile.
Mac and Polly disagree when Elizabeth is encouraged to protest the ban on wearing boxer shorts to school.
mac and Polly disagree over the use of corporal punishment as a means of disciplining children, after Casey loses one of the Major's medals.
The families clashing lifestyles has Molly suggesting they all attend family counseling.
Polly feels jealousy when a former girlfriend of Mac's, a Lieutenant Colonel in the marine Corps, comes back to town in hopes of rekindling their romance.
Polly shocks Mac when she reveals the news that she may be pregnant with his first child.
Mac gets in trouble at home after agreeing to coach Robin's basketball team, and then benching her for fooling around at practice.
Mac takes the family on a camping trip for a relaxing vacation. But instead of peace and quiet, he hears the sounds of the modern day, with a cabin filled with all the amenities of home.
Things did not go as planned when Mac sets up a date for Elizabeth, with the son of an old buddy of his.
Lt. Holowachuk sets up a surprise birthday party for Major MacGillis, but may miss it when he is disciplined by Mac.
Mac tries to make the most of his final days with his family as he is alerted that he maybe shipped out to Central America on a top secret mission, and must keep the news hush.
The Major is set to return from his mission in Central America and the girls plan on making it as great a day as can be. But Mac feels they may resent the nature of the mission.
Mac feels Lt. Holowachuk has a need for danger since returning home from his first mission with the Marines. His newest thrill seeking adventure is bungie jumping from a bridge.
Casey threatens to have Mac exact her revenge against a school bully who has been teasing her.
Budget cuts create a situation when the camp is scheduled to be closed down, making the Major decide over moving his family East and remain in the Marines, or retiring.
Mac makes his decision to leave the Marines and stay in California, working in the public sector...with people.