Tiana Upcheva

Spacecraft Ark One encounters a catastrophic event on a mission to secure the survival of the human race; the remaining crew must survive with a lack of life-sustaining supplies, loss of leadership, and over a year until they reach the target planet. (rottentomatoes.com)

Emily Young, a senior, wants to be elected as her sorority's president. She adopts a cute sloth, thinking it can become the new mascot and help her win, until a string of fatalities implicate the sloth as the main suspect in the murders (imdb.com).