"Have I become afraid of being loved?" After being disappointed by his indifferent first love, Gu Jeong-ha, Gong-san continues a relationship where he keeps trying to win him back. Tired of the cycle of breakups and reunions, Gong-san decides to have a drunken one-night stand with his junior, Han Si-hyeon, to solidify his resolve to truly break up. Unbeknownst to him, Han Si-hyeon, who is entangled in this one-night mistake, has secretly harbored feelings for him as his first love and unrequited love for a long time. As emotions spiral out of control, turning their relationship into a trio instead of a duo... Between exhausted love and unrecognized love, can Gong-san end his long wandering and find the right place?