Wheein hasn't been herself lately, and Hwasa has noticed. After a drunken night reveals more than she ever could have imagined, Hwasa must help Wheein navigate through unwanted feelings, hidden secrets and being in a band with someone she loves.

Mamamoo finally get to enjoy a long-awaited vacation with just the four of them. Although a year-long break from Mamamoo has meant that the girls haven't seen each other as often as they would like, this trip of a lifetime has given them an excuse to make unforgettable memories, and prove that they will always be more than bandmates. 

Wheein and Hyejin hanging out at Hyejin's apartment after a night out drinking and end up doing what all 'best friends' do...laugh, joke, drink and...kiss?