The workers of the Business Planning Division for Hotel Cardinal are desperate to find a bartender. The chairman has declared that they must find someone capable of making the "Glass of God." This is no simple task when they have no idea what that means.

Ryu encounters an impossibly difficult-to-please customer while he's helping out at another bar. When a foul-mouthed customer wanders into Edenhall, Ryu will have to think outside the box and even the bar to serve her.

Award-winning bartender Kuzuhara Ryuichi finds himself in an impromptu bartending competition with Sasakura Ryu at the prodding of Chairman Taizo. A young woman comes to Edenhall, determined to see how Ryu mixes a B&B.

Desperate to recruit a chef of French cuisine with unreasonable standards, Kamishima turns to Ryu for help. Kyoko returns to Edenhall for bartending advice once again. This time, Ryu takes her to a bar he visited as an apprentice.

Ryu, Kyoko, Yuri, Miwa, and Chen get together to visit the "holy ground of Japanese whisky," Yamazaki Distillery. While they're there, they learn about Chen's past and his relationship to the area.

Yukari suddenly announces that she's getting married, much to the surprise of everyone around her. A chance meeting between a manager and a doctor at Edenhall leads to them sharing a secret.