Happily reunited with her family, Ruthie introduces her older sister, Rachel, and twin sister, Sara, to the roommates. Out on the town, Rachel warns Matt about Ruthie's party habits: ""She is the life of the party. She just tries harder and harder to... (more) impress people, and I'm like 'Girl, you've gotta slow down, because you're gonna crash.'"" After Ruthie has too much to drink at the club, embarrasses Teck on the ride home, and shatters a glass on the kitchen floor, Teck decides to give Ruthie a piece of his mind. In tears over Teck's outrage, Ruthie runs off to her sister's hotel. As she stands on the balcony contemplating suicide, her sisters manage to talk her out of it.Later that night, the roommates discuss Ruthie's behavior and decide she needs to either get help for her alcohol problem or leave the house. Going behind the roommates' backs to ""do what's right,"" Matt tells Ruthie about the planned intervention.