Jennie Kim, a fresh graduate from New Zealand, finds her way in the bustling streets of Seoul to look for a corporate job after going through a rough break-up and getting kicked out by her college boyfriend of 3 years. With nowhere else to turn, she meets someone who is going through the same ordeal. Kim JiSoo, a brilliant writer in her prime, ends her seven-year relationship with her girlfriend after discovering she have been cheating.

In a newly opened coffee shop near JiSoo's apartment complex, she runs into Jennie, a regular customer who has been sitting on the corner with the same forlorn expression on her face since she first noticed her. JiSoo tries not to pry because she is dealing with her own dilemmas, but she approaches and befriends Jennie to ease her mind. They instantly click and bond through books, coffee, and the trials and tribulations of life.

this is why I need you is a story between two people who are destined to meet for a purpose; to learn and heal together—only to grow apart in the end.