On this episode of The Blacklist…

Kate Kaplan is collecting all the bodies she cleaned up for Red in order to use it against him and destroy him.

Flashbacks reveal Kate working for Katarina and becoming Liz’s caregiver and a cleaner.

Kate learns about Katarina’s relationship with Red and that he reportedly thinks Liz is his child.

After a fire breaks out, Katarina is forced to run, and Kate is given instructions to give Liz to Sam to raise.

Kate finds a relationship and thus the reveal of where Mr. Kaplan came from.

Her love is shot and killed, and metal plate is put in Kate’s head.

Red calls upon Kate to be his cleaner and help protect Liz. She says that she will always pick Liz if the choice is between the two.