Jake and Gina attend their 20th high school reunion. Back at the Nine Nine, Charles helps Rosa with her love life.
Sarah tests a new parenting style and is shocked to discover that it works. Josh reconnects with Dr. Steve as tensions rise at home with Shelly. Drawn in by an intriguing new friend, Ali travels to Palestine. Maura makes a life-changing discovery about her family history.
Maura and Ali uncover new truths about their family. Shelly gets bold in her improv class. Sparks fly between Sarah, Lila, and Len and they set off to hatch a plan. Josh is haunted by the past.
