Roswell, New Mexico

In the series premiere, Liz Ortecho (JEANINE MASON) reluctantly returns home to Roswell and reconnects with Max Evans (NATHAN PARSONS), who hides an unearthly secret.

The anniversary of Rosa's death reignites tensions as the town takes aim at Liz and her father (CARLOS COMPEAN) for what happened on that fateful day 10 years ago.

While Liz uncovers some unsettling information about Max, Michael and Isobel take matters into their own hands after learning that Liz may be getting too close to Max.

Fearing that his identity will be uncovered, Max is conflicted when a townwide power outage leaves patients at the hospital in need of help.

While Liz turns to Grant Green (PETER DISETH) for help when she learns he may have seen something on the night Rosa died, Kyle & Alex uncover a secret of Kyle's father.

In a series of flashbacks to 2008, secrets are uncovered about Rosa's final day, Isobel's mysterious blackouts and Alex and Michael's relationship in high school.

After uncovering a devastating secret about Rosa's death, Liz spends a day with Mimi, Maria & Alex that leads to new revelations. And Max takes aim at Wyatt (DYLAN McTEE).

With Isobel's life hanging in the balance, Liz and Michael search for a way to help her. Meanwhile, Max turns to his mom (CLAUDIA BLACK) about the alien symbol.

Max & Michael travel to a faith healer in Texas to shed some light on the alien symbol, while Alex and Kyle look into what Sergeant Manes may be hiding.

While Max & Cameron investigate a series of strange deaths in town, Isobel turns to Liz for help regaining her memories of the night Rosa died.

As the town prepares for the UFO Emporium Reopening Gala, Liz and her friends find themselves on a collision course with an unlikely enemy.

When a major revelation comes to light, Max, Michael and Isobel clash over how to deal with the fallout. And Alex uncovers a secret about Project Shepard.

In the season finale, Max & Michael find themselves at an impasse over how to deal with the fourth alien, while Liz has a dangerous encounter with an unexpected visitor.