J-Bak Summer Gala [Seoul]
Sun uses a fake ID to pick up a uniform for her brother's gala in episode 2x09 "What Family Actually Means". Sun calls on Lito to help with bartending at the gala and when the event starts the whole cluster joins her to plan in episode 2x10 "If All the World's a Stage, Identity Is Nothing But a Costume". After Sun's brother gives his speech, Detective Mun arrives to arrest him only for Joong-Ki to attack the detective and escape in episode 2x11 "You Want a War?".