Brianna Lee is the type of girl everyone can mess with. She's very sensitive and doesn't know how to say no to things. She has a dream of being a writer since middle school and now that she's twenty-two years old, it's about time to finally go after that dream. She says goodbye to her life in New York City and goes to Los Angeles to live with her best friend, Cori Paek. But the only thing that she's not looking forward to is seeing her ex boyfriend, Eli, who recently moved to Los Angeles.

Kevin Woo, a twenty-two year old photographer in training, comes back from his recent trip to Vegas and arrives to New York City. He began loving photography when he met his best friend, Grey Choi. He doesn't have a great history with girls and they broke up with him in all his 5 relationships. He's a quiet guy but very funny and caring. When he gets to New York City, he gets sent to Los Angeles for a new assignment.

Eli Kim is quite a player and is Brianna's ex. Cori Paek has been Brianna's best friend ever since kindergarten but she had to leave NYC for her job. Grey Choi, always happy but stupid at the same, is Kevin's first best friend ever. They met in high school and been tight ever since.

When Kevin and Brianna accidently bump into each other in the busy streets of New York City and accidently switch phones, an unexpected relationship develops. New feelings and new experiences for both of them. How will they pull off their relationship?