Sara and Randy enjoy some good teasing, but are interrupted when the company is attacked by cannons.

Lexy convinces Sara to help her with an assignment from Jack, which turns out to be a bust due to some mysterious information that Lexy can't disclose. 

 

Memories of Ryan lead Sara's dreaded buried memory to come to the surface. Lexy confides in Sara about how she got her scars.

Lexy makes a spectacle of herself when she confronts Sara about breaking up with Jack. Randy helps Sara discover a new way to both keep Ryan close and let him go.

Sara hardly recognizes Jack as he confronts Nate.  Nate pushes Sara to the edge as he reminds her of horrific memories. More of Jack's heavy burdens are revealed.

Sara is asked to help some injured criminals. Jack shuts one down as soon as he gives hints of harassment to Sara. A beaten friend of Sara arrives as an additional patient.

Sara realizes the real reason she broke up with Jack. Captain Barnett comes to her with an unusual request.

 

Sara goes to apologize to Jack. They disagree with what their relationship should be. 

 

Randy confides in Sara through some dark moments. Lexy gives Sara a shooting lesson, despite a guy hitting on her. Sara is surprised with how Lexy interacts with Jack's best friend.  She discovers staggering news about Sam.

Randy is upset with Sara's choice of blood donors. Sara and Jack have a "discussion" about Jack's orders.