 Glee club director Will Schuester ( Matthew Morrison ) institutes a " booty camp " to hone the dancing skills of New Directions members Finn ( Cory Monteith ) , Mercedes ( Amber Riley ) , Puck ( Mark <unk> ) , Kurt ( Chris Colfer ) and Blaine ( Darren Criss ) , and has Mike ( Harry Shum Jr . ) instruct them . As he is too busy to direct the upcoming school musical West Side Story , guidance <unk> Emma Pillsbury ( Jayma Mays ) , football coach Shannon <unk> ( Dot @-@ Marie Jones ) and New Directions member Artie Abrams ( Kevin <unk> ) take charge of it . 
