Stream Kat Online Free – Watch Full Movie from Home at 123Movies. . Shortly after turning 24, Kat realizes that her entire life is a mess. She can't afford rent. Her friendships are falling apart. She's single, uninsured, and completely lost. When Kat's parents cut her off financially, she realizes it's time to start adulting. Looking for a quick fix, she takes on a 7 Day Challenge to fix her entire life. And Kat is, um, a house cat.