Michael becomes very ill after an encounter with River Dog. Max and Liz have their first date. Alex questions Isabel about their alien side.
Tag - Roswell
While things heat up between Maria and Michael, Liz is forced to tell a disbelieving Alex that Max, Isabel, and Michael are aliens.
Alex, who knows nothing about the aliens, is shocked and suspicious when Liz and Isabel say they need a sample of his blood.
Isabel finds a pendant which a Native American named River Dog claims an alien gave to the author of "Among Us" back in 1959.
A book entitled "Among Us" leads the gang to a geodesic dome where they discover information that may reveal Max, Isabel, and Michael's origins.
Liz panics when her journal, which contains details of how Max used his alien powers to save her life, comes up missing.
Although Max has decided he must stay away from Liz, he helps her say a final farewell to her comatose grandmother.
Isabel uses her powers to visit Maria in her dreams after she, Max, and Michael begin to fear Maria will not be able to keep their secret.
Liz and Maria come to their new friends' aid after Sheriff Valenti and Ms. Topolsky show an unusual interest in Max, Isabel, and Michael.