A trip to Spain, the most annoying person in the world and three days to convince everyone that you are in love with each other. In other words, a plan that will never work...

Catalina Martin is busy preparing for her sister's wedding. She urgently needs a companion, because her ex-boyfriend, who wants to wipe his nose, has been invited to the event. Moreover, he will come with his bride. Catalina has only four weeks to find someone who will agree to pretend to be her boyfriend. Handsome and arrogant Aaron Blackford, Catalina's colleague, offers to help her.

As the wedding day approaches, Catalina realizes that Aaron is the only way out. Ahead is a flight across the Atlantic, and all in order to end up in sunny Spain. Catalina will soon realize that Aaron Blackford may not be so arrogant after all.