When Gen meets an attractive, charming, and charismatic man named Wallace while at a pub one night, they hit it off immediately, and she wonders how anyone could be so perfect. He's kind, thoughtful, and generous to a fault. Over time, however, she begins to notice warning signs, as if he's in a manic state and doesn't know how to turn off. After a few months of intensive dating, Wallace stops calling, and she doesn't hear from him for a week. Growing concerned, she shows up at his house and discovers that Wallace has fallen into a deep depression. Not only that, she realizes this isn't the first time it's happened and that he might be suffering from manic depression or bipolar disorder. Despite this struggle, their love remains strong, and she's determined to stand by him. As their relationship progresses, however, dark secrets are revealed about Wallace and his family, and Gen's love for him is put to the ultimate test.