Two members of the same university club gradually develop a romantic relationship after bonding through frequent drinking parties. Their connection has always been built on dates ending in a drunken stupor, making inebriated intimacy a normal part of their relationship. However, one day, due to a mandatory health check requiring abstinence, they are forced to spend the night together completely sober for the first time. Though slightly uneasy at first, their genuine feelings deepen as they confront each other without the veil of alcohol. A dramatic story depicting love born from casual after-party encounters and the beginning of a new relationship through their first sober night together.