Brandon learns Mike has a new girlfriend, Dani, and Brandon goes to great lengths to pay Mike back for piano lessons.
Frank’s death brings up some painful memories for Callie and Jude. Meanwhile, Jesus and Emma’s relationship grows up, Stef knows about Lena’s secret, and Mike gets in trouble.
Lena wants to become pregnant, but she has not spoken with Stef about it. Jesus and Emma, a girl of the wrestling team, flirt with each other.
Stef and Lena take measures to keep Brandon and Callie apart. Meanwhile, Jesus has problems in the wrestling team. Kelsey, Mariana’s friend, reveals a secret of Mariana’s past.
It’s Stef and Lena’s wedding, but Frank won’t show up. Lena’s mother, Dana, and Stef’s mother, Sharon, argue about the wedding.
Stef has been shot and it’s not a minor wound. Flashbacks are used to tell the history of how Lena and Stef met and how the family was formed.
Lena’s ex-girlfriend comes to visit and reveals a secret. Callie wants to help Talya when an embarrassing video of her is circulating around the school.