Nikki and Franklin are happy in their marriage, but when everyone they know starts taking the soulmate test, they must ask if their relationship is enough.

Mateo and Jonah meet at a bar and immediately hit it off. Mateo is furious when he discovers that Jonah stole his passport, sabotaging his chance to fly to Colombia to meet his soulmate the next day, so they go on a wild adventure to get it back.

David's life is turned upside down when Alison presents him with proof she's his soulmate. They start a torrid affair, but everything may not be what it seems.

Adam and Libby's happy but unconventional marriage is disrupted when Libby's test results come through. When gorgeous, fun-loving Miranda arrives in their lives, Libby struggles to draw lines between her feelings for her husband and her soulmate.

Devastated to discover that his soulmate is dead, big-hearted Kurt finds faith and opportunity in the arms of The Church of Righteous Transition, an organization that promises to help those whose soulmates have passed on.

Caitlin has waited years for her soulmate match. Her dreams come true when she's matched with a handsome doctor, Nathan, but soon discovers Nathan is harboring a dark secret.