Ten years after they arrive on Earth, a group of Atrian teens are integrated into a suburban high school -- where Roman is reunited with Emery, the human girl who protected him when they were young children.
It's the tenth anniversary of "Arrival Day" and the town is preparing a commemoration for the fallen soldiers. Gloria selects a small group of human teenagers who will spend some time inside the sector to see what it's like to be an Atrian for a day, assigning Emery to film the interactions. But when Drake is kidnapped during the tour, he's surprised by who is behind the abduction. (The CW)
Roman is furious when the sector guards ransack his family's pod looking for restricted technology, but discovers evidence that his late father may have hidden something.
When Gloria tells the Atrian Seven they are allowed to spend some time outside their sector, Roman sees it as an opportunity to further investigate his father's mysterious past and makes a stunning discovery. Emery and Grayson go out on a date, but their night is ruined after Eric calls Grayson for help and ends up putting everyone in danger. (The CW)
Emery enlists Julia's help to find an alternate story when a tabloid photographer confronts her about cypher. Drake plans to attend a charity ball at the Grayson home to undertake an important mission, inadvertently putting Roman in the middle of a kidnapping scheme.
Grayson continues to seek solace from Emery after the incident with his mother. Feeling guilty for her part in everything, Emery tells Julia she's going to support Grayson during this trying time with his family, putting her relationship with Roman on hold. Zoe sets a trap for Taylor using black cyper, but Lukas is the one affected and is rushed to the hospital. (The CW)
Roman invites Emery inside the sector to celebrate Dinaskyu, an Atrian holiday that celebrates the family. Emery asks Sophia for tips on how to impress her mother. Vega tells Drake that with Zoe missing, they've tapped him to be their new undercover operative, which means he'll be leaving town and getting his markings removed. (The CW)
When Roman asks his uncle about the day their spaceship crashed, Castor's reaction is far from what he expected. Meanwhile, Grayson tries to remember what happened the night he blacked out, and Taylor throws a "meteor shower" party to spend more time with Drake. (The CW)
A hurricane suddenly hits the town and everyone is trapped inside the school. Teri drugs Roman, which leaves him very paranoid and very angry. Taylor convinces Drake that they should go public as a couple. Meanwhile, Julia turns to Emery for help after Eva threatens her. (The CW)
Sophia suspects Taylor is pregnant with Drake's baby. Sophia tells Emery and the two research Atrian pregnancies. Vartan stumbles upon the information and mistakenly believes Emery is pregnant, so he kidnaps her. Vega tasks Teri with finding the Iksen's key, which they need to complete the Suvek. (The CW)
After Roman and Drake discover the Trags are building a bomb known as a Suvec, they realize they need help and turn to an unexpected source -- Grayson. Emery enlists Sophia and Lukas to help them smuggle the Suvek out of the sector, which ultimately puts all of them in danger. Meanwhile, Teri continues her mission. (The CW)
After Roman is badly hurt, Emery turns to an unexpected ally for help. Meanwhile, Grayson, Drake, Sophia and Lukas race to find the stolen Suvek before the Trags can activate it. However, Vega is a step ahead of them and sets off the Suvek in the middle of a Marti Gras parade. (The CW)
