Blythe meets Alvin and the Chipmunks part 2

Blythe meets Alvin and the Chipmunks part 2 is the second part in the 1-hour special of New Adventures in Littlest Pet Shop.

Summary
Blythe gets injured by Dave, but soon, Dave regrets, so he must refriend Blythe. Meanwhile, Alvin tries to reveal his feelings to Zoe.

Cast
Jacquire Lee as Blythe Baxter

Ryan Reynolds as Russell Ferguson

Ariana Grande as Penny Ling; Youngmee Song

Tabitha St. Germain as Pepper Clark

Ben Stiller as Sunil Nevla

Yeardley Smith as Minka Mark

Kira Tozer as Sue Patterson

Jason Derulo as Vinnie Terrio

Katy Perry as Zoe Trent

Justin Long as Alvin Seville

Matthew Gray Gubler as Simon Seville

Jesse McCarthey as Theodore Seville; Jasper Jones

Christina Applegate as Brittany Miller

Anna Faris as Jeanette Miller

Amy Pohiler as Eleanor Miller

Outfit
For the last part, Blythe wears a red long sleeved shirt, black pants, winter boots, and had her hair in braided pigtails.

Plot
can someone write a plot please?