It's the beginning of the season for brand new all-girl soccer team, Mustangs, and football tragic Marnie can't wait to get started. But with no coach, no uniforms and no players - can Marnie pull a team together?

Liv and Marnie fall out and when Liv turns to new team superstar, Ruby, for reassurance, Marnie loses it. Ruby is totally stealing her best friend as well as her position on the team.