During their train trip to the camp, both Eun-gyeol and Eun-yu receive calls from "the Master". They are informed that their time in 1995 is ending and they will soon be returned to 2023. Identity Revelation:
We see the "Watermelon Sugar" band in high spirits, making the looming tragedy feel even more impactful.
She imagined the episode itself: a backyard scene at dusk. A string of fairy lights trembled as a passing breeze made them twinkle like small planets. On a picnic blanket, friends leaned into the late hour, laughter spilling like watermelon juice down their chins. The camera lingered on close-ups — seeds between teeth, the wet gleam on someone’s wrist, the slow, satisfied exhale after the last bite. Underneath the sunlit surface, the episode traced quieter currents: a friendship frayed by an unspoken confession, a forgotten letter discovered under a cooler, a promise to leave that sits heavy on one character’s tongue.
Despite the heavy tension, Episode 13 delivers beautiful character beats. We see the romance between Yi-chan and Chung-ah (Eun-gyeol's future mother) continue to bloom in the purest, most heartwarming way. Yi-chan’s efforts to learn sign language to communicate with Chung-ah provide some of the most tear-jerking scenes of the series, showcasing the drama's incredible representation of the deaf community. 3. The Time-Travel Paradox Tightens