Adam's eccentric sister arrives unannounced; Marnie becomes controlling over Hannah's 25th birthday party; Ray settles into his new role as manager at the new restaurant.
Girls follows a group of 20-something best friends in New York. Hannah Horvath is an aspiring writer who struggles in corporate jobs and constantly battles her numerous insecurities, primarily her relationship with on/off boyfriend Adam and her strained friendship with best friend and aspiring singer Marnie.
Jessa has a quite literally addictive personality and has traveled the world, whilst her cousin and room-mate Shoshanna is just finishing her degree and recently lost her virginity to coffee shop manager Ray. Hannah's ex-boyfriend turned gay best friend Elijah also finds himself coming in and out of Hannah's life.