Zack Lamb's twitches and the strange sounds he makes are uncontrollable – and they are getting worse. Despite his sweet nature, these tics get in the way of him making friends. The one place Zack gets some respite from loneliness is the summer camp he attends each year for kids with Tourettes Syndrome. Zack has developed the worst tic of his life: a hitting tic that causes him to punch his parents.

Zack Lamb's twitches and the strange sounds he makes are uncontrollable – and they are getting worse. Despite his sweet nature, these tics get in the way of him making friends. The one place Zack gets some respite from loneliness is the summer camp he attends each year for kids with Tourettes Syndrome. Zack has developed the worst tic of his life: a hitting tic that causes him to punch his parents.