While walking home from work one evening, Jeff Manning is struck by a car and killed. Not one but two women fall to pieces at the news: his wife, Claire, and his co-worker Tish. Reeling from her loss, Claire must comfort her grieving son and contend with funeral arrangements, well-meaning family members and the arrival of Jeffs estranged brother, her ex-boyfriend Tim.

With Tish's co-workers in the dark about her friendship with Jeff outside of the office, she volunteers to attend the funeral on the companys behalf, but only she knows the true risk of inserting herself into the wreckage of Jeff's life. Told through the three voices of Jeff, Tish, and Claire, Hidden explores the complexity of relationships, the repercussions of our personal choices, and the responsibilities we have to the ones we love.