All About the Ripple Effect (S01E12)

Megan becomes increasingly anxious and uneasy when her unconventional mother Shelby, who she hasn't seen in 16 years, unexpectedly arrives to see Arthur. Feeling overwhelmed, Megan turns to Charlie for support, which leaves Will feeling excluded and a bit envious of the connection between Megan and Charlie. Additionally, Megan discovers that Lily has run off to elope with her punk boyfriend, intensifying her sense of losing control. In another storyline, Rose enlists Marco's help to introduce Sage to sous chef Louis, while Sage makes a wager with Rami, the doorman, to rekindle Rose's romance with her ex-boyfriend Zack.