Cobie Smulders stars in 'Unexpected' trailer

London: Pregnancy forces actress Cobie Smulders to re-evaluate her life in a trailer for "Unexpected".

The 33-year-old "Avengers: Age of Ultron" actress portrays a teacher whose surprise pregnancy leads her to question her future as both a mother and a teacher, reported Digital Spy.

High school teacher Samantha Abbott (Smulders) is helped through her pregnancy by developing a bond with student Jasmine (Gail Bean), who is also expecting a baby.

The drama also stars "Downton Abbey" star Elizabeth McGovern as Samantha's mother, while Anders Holm is the teacher's husband. "Unexpected" comes from "Empire Builder" director Kris Swanberg.