Liz doubting her abilities, calls for reinforcements, meanwhile Isobel shows Max a memory, one that will put him on a new trajectory and Michael makes a promise to Alex. 

Liz is faced with an impossible decision. Meanwhile, Max agrees to join Isobel on a mission to save Bonnie.

As Liz begins to see the error of her ways, she is quickly faced with a new threat which forces her to make a difficult decision. Meanwhile, Max finds himself in an intense standoff and Michael begins to lose hope of ever reuniting with Alex.  

Max and Rosa begin to uncover what Liz has been hiding, leading her to make a rash decision. Meanwhile, Michael and Maria struggle as their trail to locating their missing friends runs cold.

After being exposed to her own "alien-power mist," Liz finds herself trapped in a fever dream and a battle to save not just her own life but Max's life as well. Meanwhile, Michael stumbles on a secret Rosa is keeping involving a surprising former adversary. 

With missing friends and mysteries abound, Liz returns to fringe science, but in working alongside her new mentor, she's confronted with an unsettling revelation and a difficult choice, meanwhile, Maria uncovers the truth behind the "messages" she's been receiving. Elsewhere, the bond between brothers is tested when Max keeps an explosive secret from Michael, putting them at odds during a critical moment. Lastly, Isobel tries to pull answers out of Tezca, only to discover that the villain in her story is not as clear-cut as she may seem. 

Liz and Max have a major disagreement prompting her to turn to Rosa for guidance and Maria struggles to connect to her mother's spirit. 

Liz turns to Shivani for help finding scientific answers while Bonnie looks to Max for protection.

Max's secrets may have a devastating outcome for Liz meanwhile, Maria helps Dallas in his search for answers and Michael makes an unsettling discovery about himself.

Liz's work to find out more about a found skin sample hits a roadblock. Meanwhile, Michael continues to gain Bonnie's trust, but Clyde may not be as easily persuaded. Also, Isobel finally finds the courage to be honest with Anatsa and Maria suffers a devastating loss.

Liz, Max, Michael and Cameron put a plan into action that could finally get them a step closer to catching Bonnie and Clyde. Meanwhile, Maria is hiding her recent lack of visions and Kyle has a date.

A visitor connected to Liz's past comes bearing gifts. Anatsa digs in on a story about the bank heists, angering Max and putting Kyle and Isobel in a difficult position.

With the threat of Jones behind them, in a peaceful Roswell we find Liz is busy teaching while Max lends an assist to his ex-partner on a string of recent bank robberies. Our couples are happy and thriving but a sudden storm, leaves everyone on edge about what is to come.