Hye-ri finds out her long-time boyfriend, Hoon, has been cheating on her with another girl named Soo-ah. Soo-ah, confronted totally unprepared, gets wildly drawn to Hye-ri at first sight.

Recently fired, Jo I-seon turns to insurance sales to pay for her sick daughter’s hospital bills. She attends her middle school’s 23rd reunion for the first time, only to find classmates gathered with hidden agendas — selling insurance, running scams, flaunting money, and more. What begins as polite small talk quickly devolves into biting accusations and vicious clashes. And when Lee Jun, an uninvited classmate, suddenly appears, long-suppressed tensions finally explode…