Grey's Anatomy - Season 12, Episode 1: Soundtracks

Meredith is woken by hammering and rushes downstairs to find Amelia hammering a wall; Maggie listens to Meredith & Amelia complaints; Arizona asks Jackson if he's excited about April's return.

As Callie ices Maggie’s hand, Maggie reiterates the others how to feel leading up to hitting Bethany. When Meredith rushes in to ask what happened and worries over her, Alex updates them on Bethany.

Jess overhears her dad standing up for her to her mom; Dakhir comforts Aliyah about Jess then reads her a note from Jess; Avery tells April he'll sleep in the on-call room; Ben congratulates Bailey.  

Ben informs the doctors patients girls hit by a train; Callie, Owen, Mitchell, Amelia, Meredith, Maggie & Alex works on Jessica & Aliyah in tandem; Callie manages to make a connections with Jessica.  

Amelia & Owen kissing is interrupted by Maggie; Maggie makes Amelia & Meredith straighten out their problems, afterwards the trio break down a wall; Meredith starts Anatomy class with the interns.