Ken Barnett

Addison (Kate Walsh) returns to Seattle Grace to perform a surgery and is surprised to learn about the changes in her former coworkers' lives.

Barney tries to track down a mystery woman who is warning other women not to sleep with him. He narrows the list down to 64 candidates.

Ari scrambles to secure approval for Billy's script and is forced to work overtime, while Eric has his hands full as he tries to manage a new client and her boyfriend.

When he inherits his uncle's farm, Disher retires to live the agricultural life, but soon calls for Monk when he suspects that his uncle may not have died of natural causes.

Mary protects her least favourite witnesses on the same day of the wedding of her sister.

While under FBI investigation, Mary must slip her tail, then find and apprehend her own father.