Sun Soon gathers her children promptly to engage in her customary ritual, a memorial ceremony for her late husband, as she senses a void of loneliness and meaning in her life. The kids, familiar with the routine, speculate on the culprit behind the current disturbance, with Hyo Do typically being the instigator. Meanwhile, at the gym, Soo Kyung feels a twinge of jealousy witnessing Hyo Sim's apparent closeness with both Tae Min and Tae Ho. (thetvdb.com)