The Dark Moon

The Calavera's reveal that they took Kate after Peter "killed" her because they heard she had been slashed by an alphas claws. They switched out her body so the Argents buried someone else. They locked Kate up and expected her to kill herself, but instead she pretended to slash her wrists and then killed six hunters to escape. In present time, she has sealed Derek inside a temple to Tezcatlipoca. 

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Kate has trouble control her new ablilities; which leads to the death of a gas station attendent. She gets a now younger Derek to take her to his family's vault. She believes that there is something in the vault that will help her to control her shifting.

Orphaned

A flashback of four weeks ago shows Kate listening to a mixtape explaining the Hale's Triskelion. When she finds out that the tape lied about the Triskelion, Kate goes in search for The Benefactor. She kills numerous assassins seeking information. She fights her brother, Chris but doesn't let the berserkers kill him. At the end of the episode Peter comes to her and offers to teach her control.

Time of Death

Kate and the berserkers come to the hospital to collect Scott's body. When she realizes that Scott isn't really dead, she calls off the attack.

Monstrous

Kate and Peter discuss what to do now that the deadpool has stopped. Kate thinks that Peter is going to bale on the plan. But Peter doesn't, saying not when he's so close to killing Scott McCall.

A Promise to the Dead

Kate and her berserkers attack and kidnap Scott and Kira while they are on a date. At the end of the episode, she is appearing to be turning Scott into a berseker.

Smoke and Mirrors

Kate tests out berserker Scott's loyalty by having him attack Kira. She takes on Chris and a group of the Calavera hunters. She is finally beaten by Derek, who had just transformed into a full wolf. She is shot with a wolfsbane bullet by Chris. However, Kate manages to escape.