In My Ex is in the Navy SEALs movie, six years ago, Regina chose to break up with her boyfriend Julian to avoid hindering his promising military career due to her overwhelming debt. Six years later, they reunite in a foreign land, Julian is now a commanding officer, while Regina is a single mother. Their chemistry reignites, but their bonding faces uncertainties of their class differences and pressure from people around them. This time, will they find their way back to love again?