Unexpected Surprises

Five years ago, Kat lost her family in a car accident.  She quit her job and started writing so she wouldn't have to leave her house.  She lost herself.  She has no idea how to come out of the ugliness.  She decides that she needs to push herself out of the house but she needs to go where no memories exist.  She decides to go visit the country where her family is from, Portugal.  She rents an apartment from her uncle with the hopes of finally being able to start moving on.
Rey is serving in the United States military.  He's living in Germany but only has a few more months before his contract is up.  He goes on leave for his cousin's wedding which is taking place in Portugal.  He rents his uncle's apartment for a few weeks.  When he gets there, he realizes someone is already staying there.  When he realizes it's Kat, his world is turned upside down. Kat and Rey have a history.
 Although nothing ever happened between them, there were some feelings and emotions that were never expressed to no one.  Rey vows to help Kat get out of the depression by getting her to go sightseeing and possibly open up.  Will Kat allow Rey to help her?  Can Kat get past the death of her family and allow someone into her heart?  Will Rey's military career put a stop to a relationship before it starts?