Kyra is not sharing information with her mother, so Barbra Jean tells Reba to do what she does: read Kyra's email. Reba, Brock, and Barbra Jean read an email that says Kyra's going to an unsupervised party.
Kyra has been avoiding her mother, and Reba is steamed when Barbra Jean knows about Kyra's personal life. So, Barbra Jean tells Reba to do what she does: Read Kyra's e-mail! Later, at Brock & Barbra Jean's house, they read an e-mail that Kyra is going to an unsupervised party.