When Katie's volunteer firefighter husband dies in the line of duty, she is heartbroken.

Not only have her two young sons lost their father, but the child she is carrying will never know him. Her husband's best friend, Mark, steps in to take care of Katie and her children. Many months pass, and Mark is offered an opportunity away from Lancaster County.

Not wanting to leave Katie and the children behind, he makes his feelings known.

Katie tells Mark she would never marry again, and if she did, it would never be to another firefighter. Katie urges him to take the job.

Months turn into years before Katie realizes that she has made a terrible mistake. When Mark finally returns, has Kate left things too late?